TWI501849B - 具有延伸行程托架之實用刀具 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Description
本發明大體關於手用工具,且更特別的是有關於具有延伸行程托架之實用刀具。
長久以來,實用刀具用來切割大體為薄片的工件,例如紙板、織物、塑料片以及薄木條。然而,通常此類刀具既大又笨重。已有人提出許多設計使得實用刀具在握把的軸向長度較薄及較短讓它們可攜帶以及握起來更舒服。不過,有短握把的實用刀具有以下問題:刀片只有小部份由握把伸出以及該刀片部份完全插入或刺穿待切割工件時,至少會使在最底下的使用者手指(最靠近待切割工件的上表面的手指)極其接近正被切割的材料。如果不用正確角度握住實用刀具握把或減少正常或推薦的傾斜角度,則在最底下的使用者手指可能觸及正被切割的表面,以及該手指在材料的上表面上移動時可能受傷,特別是在材料的上表面不平滑而有點粗糙時。
為了克服上述問題,有些實用刀具設計是用較短的握把與內部攜帶刀片的托架,該托架在握把內可完全縮回藉此在不用時握把可完全納入托架及刀片的切割部份。在要使用此單元時,使托架伸出超出握把的遠端以有效增加握把的全長使得在以相對於工件的指定角度握住實用刀具握把時,使在最底下的手指上升到工作面上方以有效避免傷及手指(或數隻)。
在美國專利申請案第12/114,234號中有描述在本領域為一般型的實用刀具,其係頒給本申請案的讓受人,在此完全併入本文作為參考資料。
第1圖係圖示先前技術實用刀具,其中握把12係界定握把軸線A。該握把有與軸線A呈α正角的前端或遠端12x使得握把12的上緣或上表面12y比下緣或下表面12z還短。實用刀具12有側溝槽S,啟動按鈕B通過它石向前或向後移動以使托架14可移到伸出或縮回位置。在第1圖,托架14是處於伸出位置,而可刺穿工件18的刀片16是可卸除地裝在其上。一開始,按鈕B在握把側面上的位置需要兩隻手操作才能使按鈕B及托架移動。另外,由於按鈕B位在上、下表面或邊緣12y、12z之間,因此,托架16及按鈕B的行程範圍有限。此外,由於行程有限,整個工具的關閉或縮回長度為4.3125英吋同時打開或伸出長度為5.6875英吋。因此,長度的變化或增量長度Δl為1.375英吋,或增量長度的百分比大約為31,88%。對於此一握把以及在刀片伸出時增量有限的長度變化,在正常使用時,當選定大約為45度的角度α時,最底下手指F在上表面18a上方的高度“h”大約為0.97英吋。
為本申請案之目的,手指F在工作面18a上方的高度是大約在工作面18a與手指的中心或中央軸線Af之間的距離。
因此,本發明的目標之一是要提供一種沒有可比較先前技術實用刀具之缺點的實用刀具。
本發明的另一目標是要提供一種構造簡單且製造經濟的實用刀具。
本發明的又一目標是要提供一種使用便利的實用刀具。
本發明的另一目標是要提供一種構形符合人體工學且用起來舒適的實用刀具。
本發明的又一目標是要提供一種在本領域為一般型的實用刀具,其係經安裝成在握把移到操作伸出位置時握把有伸出外部的行程以使使用者的手指位置與正被切割的工件有比較安全的距離以免傷及使用者。
本發明的另一目標是要提供一種如同前一個目標的實用刀具,其中係於握把上配置一用於伸縮托架的啟動按鈕用以使滑動最大化以優化托架在伸出握把時的行程範圍。
本發明的又一目標是要提供一種如同前一個目標的實用刀具,其係使使用者的手指在工作面上方有安全距離,即使在正常使用期間,該實用刀具合理偏離最佳角位。
為了達成上述目標以及在下文會顯明的其他目標,本發明的實用刀具有一大體短的握把,其係界定一握把軸線與設有一開孔的一遠端。在該握把內裝有一托架用於通過該開孔而在一縮回位置與一完全伸出位置之間移動,在處於縮回位置時,該托架實質完全容納在該握把內,以及在處於該完全伸出位置時,該托架穿過該開孔完全伸出以使該握把的有效長度增加一增量長度Δl。裝在該托架上的一刀片用於與托架共同移動且具有在該握把軸線相對於工作面以角度α傾斜時可完全刺入一待切割工件的一工作部份,該實用刀具的正常使用期間,最靠近該工作面的使用者手指在該工作面上方的距離為“h”。數量Δl與α係經選定成使得距離“h”大體等於至少1.0英吋。
在閱讀以下結合附圖的本專利說明書後,可明白本發明的以上及其他的目標、特徵及優點。
第1圖為先前技術實用刀具的側視圖,其係圖示最底下手指或食指與待切割工件的上表面在正常使用時很接近的情形;以及
第2圖為與第1圖類似之本發明實用刀具的側視圖,其中托架有可有效升高或提高在工件表面上方的最底下手指或食指之伸出行程以避免手指刮傷或其他的傷害。
此時,請特別參考第2圖,其中本發明的實用刀具大體以元件符號10表示。
實用刀具10有握把12,該握把12通常由兩個用習知方式彼此固定成可產生內腔的類似蚌殼形成。握把12有沿著握把12之縱長方向延伸的軸線A。
如圖示,裝在握把12內的是可卸除地支撐有刀刃16a之刀片16的托架14。托架14沿著軸線A延伸以及有大體與軸線A形成角度α的傾斜遠端14a。傾斜遠端14a大體與握把的遠邊12a平行。刀片16係可卸除地安裝於托架14刀片中大體呈三角形的工作部份16b,為了切割,此部份可插入工件18以刺穿該工件。托架的遠邊14a有引導作用讓使用者可以藉由維持邊緣14a大體與工件18面向著握把12的上表面18a同延來使握把12有想要的角度α。
按鈕或啟動元件20係沿著握把的上緣或上表面12y配置以及與托架14連接或鏈結,使得在使用者的姆指啟動按鈕以便單手操作時,托架可與按鈕20共同移動。連接是通過在握把12之上緣或上表面12y中的溝槽(未圖示),其方式描述於共審查中之美國專利申請案第12/114,234號,在此併入本文作為參考資料。
握把12的下表面或下緣最好設有一連串的凹槽12b用作可部份容納手指F的凹處。凹槽12b不僅讓握把更符合人體工學和握起來更舒服,也可用來部份容納手指而有效提高手指在工作面18a上方的距離。
使用者用姆指旋轉釋放元件或圓盤22可鬆開刀片16以及由托架卸下,這在上述共審查中之申請案中有完整的描述。
應瞭解,在有延伸行程托架14的情形下,當大約以想要角度α握住握把時,經增加的長度Δl會導致最底下手指或食指Fi進一步上升到工件18上方,這藉由防止使用者的食指碰觸表面18a或刮傷可增加舒適及安全性。
根據本發明,一實用刀具實施例在托架處於完全縮回位置時有4.5英吋的全長以及在處於伸出位置時有6.1875英吋的全長。因此,增量長度Δl等於1.6875英吋,長度的變化百分比大約為37.5%。根據本發明,此Δl數量等於或大於1.4英吋以及等於或大於1.5英吋為較佳。根據一目前為較佳的具體實施例,Δl是在1.6至1.7英吋的範圍內。角度α最好經選定成有等於或大於35度的角度,以及選定在40度至50度之間的角度α為較佳。根據一目前為較佳的具體實施例(圖示於第2圖),角度α大約等於45度。
如上述,握把有上、下表面或邊緣12y、12z,啟動按鈕或構件20耦合至托架14以及可在握把的近距離位置及遠距離位置之間移動使得托架可在縮回及伸出位置之間移動。
如上述,握把12的下表面最好設有一連串經配置成至少可部份容納使用者之手指的凹處或凹槽12b以有效增加最底下手指或食指Fi在待切割工件之上表面上方的距離“h”。如第2圖所示,最靠近握把遠端的最底下凹槽比沿著下表面的其餘凹處還深以使使手指Fi進一步升高或提高而且使握把12更符合人體工學以及使用者握起來更舒服。尺寸Δl與α係經選定成使得h大體等於至少1.0英吋。
以角度α來配置托架的導引邊14a,其中該導引邊係經配置成與工件的工作面同延以最大化刺入程度同時協助使用者保持握把有正確及安全的角度α。
在托架14裝設釋放元件或圓盤22供選擇性地釋放或鎖住刀片16。圓盤22係經配置成大體與握把的上緣12y同在一直線上或同延以允許使用者在托架處於伸出位置以及握住握把12時藉由把姆指放在按鈕20或者圓盤22上的單手操作來選擇性地操作按鈕20或圓盤22。
儘管已用較佳形式的具體實施例來圖示及描述本發明,應瞭解,仍可做出修改而不脫離本發明的範疇或精神。
10‧‧‧實用刀具
12‧‧‧握把
12a‧‧‧遠邊
12b‧‧‧凹槽
12x‧‧‧前端或遠端
12y‧‧‧上緣或上表面
12z‧‧‧下緣或下表面
14‧‧‧托架
14a‧‧‧傾斜遠端
16‧‧‧刀片
16a‧‧‧刀刃
16b‧‧‧工作部份
18‧‧‧工件
18a‧‧‧上表面
20‧‧‧按鈕或啟動元件
22‧‧‧釋放元件或圓盤
A‧‧‧握把軸線
B‧‧‧啟動按鈕
Af‧‧‧中心或中央軸線
α
‧‧‧正角
△l‧‧‧增量長度
H‧‧‧距離
F‧‧‧最底下手指
Fi‧‧‧最底下手指或食指
S‧‧‧側溝槽
第1圖為先前技術實用刀具的側視圖,其係圖示最底下手指或食指與待切割工件的上表面在正常使用時很接近的情形;以及第2圖為與第1圖類似之本發明實用刀具的側視圖,其中托架有可有效升高或提高在工件表面上方的最底下手指或食指之伸出行程以避免手指刮傷或其他的傷害。
10...實用刀具
12...握把
12a...遠邊
12b...凹槽
12y...上緣或上表面
12z...下緣或下表面
14...托架
14a...傾斜遠端
16...刀片
16a...刀刃
16b...工作部份
18...工件
18a...上表面
20...按鈕或啟動元件
22...釋放元件或圓盤
A...握把軸線
Af...中心或中央軸線
α...正角
Δl...增量長度
h...距離
Fi...最底下手指或食指
Claims (18)
- 一種實用刀具,其包含:一握把,其具有一上緣,且界定大體與該上緣平行的一握把軸線以及設有一開孔的一遠端;一托架,其係可滑動地裝在該握把內以便穿過該開孔在一縮回位置與一完全伸出位置之間移動,在處於該縮回位置時,該托架係實質地完全容納在該握把內,且在處於該完全伸出位置時,該托架穿過該開孔完全伸出以使該握把的有效長度增加一段距離△l;一啟動元件,其係耦合至該托架以藉由與一使用者之姆指接合來移動該托架,以便使該托架在該等縮回及伸出位置之間移動;以及一刀片,其係裝在該托架上以與該托架共同移動且具有在該握把軸線係相對於一待切割工件之一表面以一角度α傾斜時,可完全刺入該工件的一工作部份;其中該握把包括最靠近該刀片之該工作部份之一正向部份,該正向部份係組構為可用以定位一使用者之一手指,使得該手指之一中心軸線在該工件表面上方的距離為h,當該刀片之該工作部份係完全刺入該待切割工件時,△l與α係經選定成使得該距離h等於至少1.0英吋。
- 如申請專利範圍第1項之實用刀具,其中△l等於大於1.4英吋。
- 如申請專利範圍第2項之實用刀具,其中△l等於大於1.5 英吋。
- 如申請專利範圍第2項之實用刀具,其中△l是在1.6至1.7英吋的範圍內。
- 如申請專利範圍第1項之實用刀具,其中α係經選定成等於大於35度。
- 如申請專利範圍第5項之實用刀具,其中α係經選定成等於大於48至50度。
- 如申請專利範圍第6項之實用刀具,其中α大約等於45度。
- 如申請專利範圍第1項之實用刀具,其中該啟動元件包含一按鈕。
- 如申請專利範圍第1項之實用刀具,其中該正向部分設有一或多個凹處,該一或多個凹處係配置成至少部份容納該使用者之手指以有效增加該距離h。
- 如申請專利範圍第9項之實用刀具,其中該一或多個凹處包含一最靠近該握把之遠端的最底下凹處及一或多個較上方凹處,該最底下凹處比該一或多個較上方凹處還深。
- 如申請專利範圍第1項之實用刀具,其中該握把的該遠端有一導引邊,用來在該導引邊經定位成與該工件之該工作表面共同延伸時以該角度α適當地定位該握把。
- 如申請專利範圍第11項之實用刀具,其中該導引邊相對於該握把軸線係傾斜該角度α。
- 如申請專利範圍第1項之實用刀具,其中該角度α係經選定成在角度40度至50度之間。
- 如申請專利範圍第13項之實用刀具,其中該角度α大約等於45度。
- 一種實用刀具,其包含:具有一縱長軸線A之一握把;一實用刀片;以及一刀片托架,其係組構為可釋放地固持該實用刀片;其中該刀片托架包括一相對於軸線A傾斜於一角度α之正向端;該刀片托架係組構為可滑動於一縮回位置與一完全伸出位置之間移動,在處於該縮回位置時,該實用刀片係設置於該握把內,且在處於該完全伸出位置時,該正向端自該握把伸出一距離L;該握把包括最靠近該實用刀片之一切割緣之一正向部份,該正向部份係組構為可用以定位一使用者之一手指;以及當該實用刀片係完全接合於一工件表面使得該刀片托架之該正向端係與該工件表面齊平,該等角度α與距離L係經選定為使得該正向部份之至少一點係為該工件表面上至少1英吋之距離。
- 如申請專利範圍第15項之實用刀具,其中該刀片托架係組構為可平行於軸線A滑動於該縮回位置與該完全伸出位置之間。
- 一種實用刀具,其包含: 一握把,其具有一後端及一前端,該前端包括一握把前緣;一實用刀片;以及一刀片托架,其係組構為可釋放地固持該實用刀片並具有一托架前緣;其中該刀片托架係組構為可相對於該握把側向地滑動於一縮回位置與一完全伸出位置之間移動,在處於該縮回位置時,該實用刀片係設置於該握把內,且在處於該完全伸出位置時,該托架前緣及該實用刀片伸出該握把前緣;以及當該刀片托架係在該完全伸出位置時,該托架前緣上之任一點與該握把前緣上之任一點間之最短距離至少係為0.8英吋。
- 如申請專利範圍第9項之實用刀具,其中該凹處係設置於該正向部份之一最前端,使得該使用者之手指不會放置在該握把上之該凹處的前方。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/195,958 US8695221B2 (en) | 2008-08-21 | 2008-08-21 | Utility knife with extended travel carriage |
Publications (2)
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TW201016415A TW201016415A (en) | 2010-05-01 |
TWI501849B true TWI501849B (zh) | 2015-10-01 |
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TW098128235A TWI501849B (zh) | 2008-08-21 | 2009-08-21 | 具有延伸行程托架之實用刀具 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7797836B2 (en) * | 2005-08-02 | 2010-09-21 | The Stanley Works | Compact utility knife |
DE102008019441A1 (de) * | 2008-04-17 | 2009-10-22 | Martor Kg | Messer |
US8201336B2 (en) * | 2008-05-02 | 2012-06-19 | Olympia Tools International, Inc. | Retractable utility knife |
WO2012012319A1 (en) * | 2010-07-19 | 2012-01-26 | 3M Innovative Properties Company | Hand tool with replaceable knife cartridge |
TWM454301U (zh) * | 2012-08-22 | 2013-06-01 | Chun-Feng Ho | 切換式美工刀之改良結構 |
US20140208596A1 (en) * | 2013-01-30 | 2014-07-31 | Acme United Corporation | Sliding Blade Knife |
EP2995432B1 (en) | 2014-08-15 | 2019-05-22 | Stanley Black & Decker, Inc. | Sliding blade utility knife |
US11104014B2 (en) | 2018-08-16 | 2021-08-31 | Stanley Black & Decker, Inc. | Sliding blade carriage with blade release |
JP6599587B1 (ja) * | 2019-06-28 | 2019-10-30 | 株式会社貝印刃物開発センター | 包装体開封ナイフおよび包装体開封ナイフパッケージ体 |
CN111645014B (zh) * | 2020-06-09 | 2021-09-21 | 浙江力源工具有限公司 | 一种棘轮扳手 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708881A (en) * | 1971-03-22 | 1973-01-09 | R Bennett | Multi position adjustable roofing knife |
US20030079347A1 (en) * | 2001-10-25 | 2003-05-01 | Adco Industries, Inc. | Box cutter with deflectable safety shield |
US7134207B2 (en) * | 2003-05-13 | 2006-11-14 | Great Neck Saw Manufacturers, Inc. | Foldable utility knife |
US20070028454A1 (en) * | 2005-08-02 | 2007-02-08 | The Stanley Works | Compact utility knife |
Family Cites Families (241)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2735176A (en) | 1956-02-21 | Veterinary surgical knife | ||
US515045A (en) | 1894-02-20 | Pocket-knife | ||
US493075A (en) | 1892-09-17 | 1893-03-07 | Razor | |
US705441A (en) | 1902-03-15 | 1902-07-22 | Newton Ezra Putney | Knife. |
US1444324A (en) | 1919-03-24 | 1923-02-06 | Percy C Brooks | Cutting implement |
US1500550A (en) | 1921-09-15 | 1924-07-08 | D Hondt Louis | Eraser |
US1496927A (en) | 1923-01-24 | 1924-06-10 | William A Evers | Razor-blade holder |
US1706251A (en) | 1927-07-29 | 1929-03-19 | Perry Edmund Stephen | Knife |
US1753441A (en) | 1929-03-27 | 1930-04-08 | Morehouse Frank | Screw driver |
US1940855A (en) | 1931-06-25 | 1933-12-26 | Friedman Hugo | Knife |
US2051721A (en) | 1935-06-03 | 1936-08-18 | George N Kirangelos | Knife |
US2134973A (en) | 1938-01-29 | 1938-11-01 | Wilbur F Harwell | Knife |
US2284128A (en) | 1939-05-12 | 1942-05-26 | Paine L Bush | Tool and blade holder |
US2265775A (en) | 1939-12-09 | 1941-12-09 | Leon R Mcnamara | Pocketknife |
US2523575A (en) | 1947-04-14 | 1950-09-26 | Morris B Kassel | Cutting device |
US2601723A (en) | 1947-12-15 | 1952-07-01 | Cedarberg Mfg Company Inc | Scraper employing razor blade |
US2605545A (en) | 1948-04-30 | 1952-08-05 | Joe B Weems | Blade and toolholder |
US2632244A (en) | 1949-02-16 | 1953-03-24 | Belsky Charles | Toolholder |
US2569080A (en) | 1949-02-24 | 1951-09-25 | Trimble Ernest | Knife using a detachable razor blade |
US2599439A (en) | 1950-07-31 | 1952-06-03 | Howard T Drake | Sheathed razor blade holder |
US2914850A (en) | 1957-10-24 | 1959-12-01 | Eversharp Inc | Razor blade knife |
US2980966A (en) | 1958-09-29 | 1961-04-25 | Nat Broach & Mach | Method of molding a gear finishing tool |
US3187431A (en) | 1963-08-01 | 1965-06-08 | Mattes Irmgard | Knife with exchangeable blade and handle for the knife |
US3171201A (en) | 1963-09-03 | 1965-03-02 | Carifi Ralph | Razor blade holders |
US3192624A (en) | 1963-10-30 | 1965-07-06 | Allway Mfg Co Inc | Knife handle with adjustable blade |
US3234649A (en) | 1964-03-13 | 1966-02-15 | Gen Slicing Machine Co Inc | Twin-blade releasing means |
US3306297A (en) | 1964-06-01 | 1967-02-28 | Sel Mar Inc | Tracheotomy set |
US3577637A (en) | 1968-09-24 | 1971-05-04 | Philip Morris Inc | Retractable blade knife |
US3660896A (en) | 1970-04-10 | 1972-05-09 | Russell Harrington Cutlery Inc | Utility knife |
US3683496A (en) | 1971-01-13 | 1972-08-15 | Ray Johnson | Wallboard joint blade |
FR2208327A5 (zh) | 1972-11-27 | 1974-06-21 | Quenot Mabo Manuf | |
US3845554A (en) | 1973-04-19 | 1974-11-05 | N Joanis | Knife blade and handle |
CH547686A (de) | 1973-05-11 | 1974-04-11 | Smart Ag | Messer mit vor- und rueckschiebbarer klinge. |
US3943627A (en) | 1973-11-28 | 1976-03-16 | Stanley Jr Conrad | Front loading utility knife |
US3927473A (en) | 1974-04-18 | 1975-12-23 | Philip Morris Inc | Replaceable blade knife |
US3855700A (en) | 1974-04-19 | 1974-12-24 | Gerson Co Inc L | Blade scraper |
US3964162A (en) | 1975-06-25 | 1976-06-22 | Louis M. Gerson Co., Inc. | Blade scraper |
US3999290A (en) * | 1976-03-15 | 1976-12-28 | Wood Jess W | Safety knife |
US4017969A (en) | 1976-04-20 | 1977-04-19 | Stonebraker Robert E | Cutting instrument |
DE7623799U1 (de) | 1976-07-29 | 1977-02-24 | Martor-Argentax E.H., Beermann Kg, 5650 Solingen | Schneidgeraet |
US4068375A (en) | 1976-12-08 | 1978-01-17 | The Stanley Works | Heavy duty retractable blade utility knife |
NL7800061A (nl) | 1977-02-14 | 1978-08-16 | Beermann Kg Martor Argentax | Handbediende snijinrichting. |
US4109380A (en) | 1977-07-05 | 1978-08-29 | Anderson Lloyd E | Cutting tool and blade holder for replaceable blades |
DE2736395C2 (de) | 1977-08-12 | 1979-07-12 | Martor-Argentax E.H. Beermann Kg, 5650 Solingen | Messer mit einer längsverschieblich geführten zugfederbelasteten Messerklingenhalterung |
GB1585642A (en) | 1978-01-25 | 1981-03-11 | Stanley Tools Ltd | Retractable blade knife |
JPS5726692Y2 (zh) | 1978-03-31 | 1982-06-10 | ||
US4170062A (en) | 1978-07-06 | 1979-10-09 | Kai Cutlery Center Co., Ltd. | Extensible knife with blade position adjustment |
US4292738A (en) | 1979-01-20 | 1981-10-06 | Kai Cutlery Center Co., Ltd. | Knife |
US4242795A (en) | 1979-02-02 | 1981-01-06 | The Stanley Works | Knife handle |
US4233737A (en) | 1979-04-13 | 1980-11-18 | Poehlmann Paul W | Knife with removable blade |
US4261104A (en) | 1979-06-29 | 1981-04-14 | Cuscovitch John F | Holder for detachable blades |
US4575940A (en) | 1980-07-25 | 1986-03-18 | Wenzel Michael D | Replaceable blade knife |
US4393587A (en) | 1981-04-23 | 1983-07-19 | Kloosterman William A | Spring shielded safety knife |
US4347665A (en) | 1981-05-11 | 1982-09-07 | Glesser Louis S | Pocket knife |
US4408396A (en) | 1982-03-15 | 1983-10-11 | Scholl Albert S | Trim knife |
US4517741A (en) | 1982-05-19 | 1985-05-21 | Castelluzzo James M | Knife with plural replaceable blade storage and means for single blade extension |
US4524518A (en) | 1983-06-13 | 1985-06-25 | The Stanley Works | Utility knife |
US4509260A (en) | 1983-07-12 | 1985-04-09 | Donald Gringer | Knife handle for accommodating different adjustable blade types |
US4604805A (en) | 1983-12-14 | 1986-08-12 | John F. Cuscovitch | Holder for detachable blades |
US4570342A (en) | 1984-06-21 | 1986-02-18 | Cosco Industries, Inc. | Razor blade holder |
US4620369A (en) | 1984-08-09 | 1986-11-04 | Gercken Richard H | Drywall knife |
US4586256A (en) * | 1985-01-07 | 1986-05-06 | The Stanley Works | Knife handle |
DE3511091A1 (de) | 1985-03-27 | 1986-10-09 | Bernd 2841 Drebber Reddig | Verlegemesser, insbesondere teppichmesser |
US4660284A (en) | 1985-07-17 | 1987-04-28 | The Stanley Works | Folding pocket saw |
US4761882A (en) | 1986-02-18 | 1988-08-09 | Hunt X-Acto, Inc. | Utility knife |
US4663845A (en) | 1986-03-05 | 1987-05-12 | Stanley Tools | Utility knife |
DE3621399A1 (de) | 1986-06-26 | 1988-01-14 | Beermann Kg Martor Argentax | Vorrichtung zum abschneiden von im wesentlichen zylindrischen elementen |
DE3622343A1 (de) | 1986-07-03 | 1988-02-11 | Beermann Kg Martor Argentax | Messer mit einem im wesentlichen hohlen griffkoerper |
US4813132A (en) | 1986-08-08 | 1989-03-21 | James Castelluzzo | Utility knife |
US4713885A (en) | 1986-12-08 | 1987-12-22 | Ronald Keklak | Safe utility knife |
GB8708112D0 (en) | 1987-04-04 | 1987-05-13 | Paramo Tools Group Ltd | Knife |
DE3736968A1 (de) | 1987-10-31 | 1989-05-18 | Beermann Kg Martor Argentax | Sicherheits-karton-messer |
US4884307A (en) | 1988-09-02 | 1989-12-05 | Ralph Flood | Pocket tool |
US4936014A (en) | 1989-04-06 | 1990-06-26 | Johnson Level And Tool (Canada) Inc. | Utility knife |
US5031322A (en) | 1989-04-13 | 1991-07-16 | Great Neck Saw Manufacturers, Inc. | Utility knife |
US5086562A (en) | 1989-04-13 | 1992-02-11 | Great Neck Saw Manufacturers, Inc. | Utility knife |
US4930218A (en) | 1989-04-13 | 1990-06-05 | Great Neck Saw Manufacturers, Inc. | Utility knife |
US5095624A (en) | 1990-12-07 | 1992-03-17 | Ennis Raynold W | Lock system for a folding knife |
DE4200018C1 (zh) | 1992-01-02 | 1992-11-05 | Martor-Argentax E. H. Beermann Kg, 5650 Solingen, De | |
USD346319S (en) | 1992-01-06 | 1994-04-26 | Hyde Manufacturing Company | Razor blade scraper |
US5201748A (en) | 1992-06-01 | 1993-04-13 | Newman Philip H | Retractable-bladed surgical scalpel |
US5255443A (en) | 1992-10-30 | 1993-10-26 | Great Neck Saw Manufacturing, Inc. | Post level with detent |
US5386632A (en) | 1993-01-12 | 1995-02-07 | Pacific Handy Cutter, Inc. | Ergonomic utility knife/box cutter and method of making |
US5344424A (en) | 1993-03-12 | 1994-09-06 | Roberts Philip L | Selectively retractable, disposable surgical knife |
DE4310037C1 (de) | 1993-03-27 | 1993-12-09 | Beermann Kg Martor Argentax | Messer mit verschiebbarer Messerklinge |
US5303469A (en) | 1993-04-15 | 1994-04-19 | Yin Han Huang | Cutter knife |
US5749886A (en) | 1993-06-18 | 1998-05-12 | Leonard Bloom | Disposable guarded finger scalpel for inserting a line in a patient and blade therefor |
US5433004A (en) | 1993-10-14 | 1995-07-18 | Warner Manufacturing Company | Single edge blade scraper |
US5511311A (en) | 1994-01-12 | 1996-04-30 | Collins; Walter W. | Knife with sliding base |
US5406707A (en) | 1994-01-21 | 1995-04-18 | The Stanley Works | Utility knife with improved slide |
US5400512A (en) | 1994-03-01 | 1995-03-28 | Brush; Jerry L. | Windshield molding removing knife |
DE4435818C1 (de) | 1994-10-07 | 1995-04-06 | Beermann Kg Martor Argentax | Messer, insbesondere Entgratemesser für Kunststoffteile |
DE4435807C1 (de) | 1994-10-07 | 1995-05-24 | Beermann Kg Martor Argentax | Messer mit Wechselklinge, wie Entgratemesser für Kunststoffteile od. dgl. |
US5481804A (en) | 1994-10-12 | 1996-01-09 | Platts; David | Retractable-bladed knife |
US5620454A (en) * | 1994-10-25 | 1997-04-15 | Becton, Dickinson And Company | Guarded surgical scalpel |
US5513405A (en) | 1994-11-02 | 1996-05-07 | The Bitterroot Company | Multipurpose recycler's tool |
DE19507272C1 (de) | 1995-03-03 | 1995-09-28 | Beermann Kg Martor Argentax | Kartonmesser |
US5495670A (en) | 1995-05-04 | 1996-03-05 | Fiskars Inc. | Utility knife |
US5502896A (en) * | 1995-05-12 | 1996-04-02 | Sdi Corporation | Cutter knife |
US5890293A (en) | 1995-09-21 | 1999-04-06 | Gamba; Gregory G. | Cutting tool having blade holder assembly |
US5581890A (en) | 1995-11-06 | 1996-12-10 | Great Neck Saw Manufacturers, Inc. | Utility knife |
US5603162A (en) * | 1996-05-31 | 1997-02-18 | Chen; Chun C. | Utility knife combination |
US5813121A (en) | 1996-06-17 | 1998-09-29 | Allway Tools, Inc. | Automatically retractable utility knife |
US5664792A (en) | 1996-08-07 | 1997-09-09 | Tseng; Hans | Tool fixing mechanism |
GB2319979B (en) | 1996-12-04 | 1999-01-13 | Stanley Works Ltd | Utility knife |
US5806189A (en) | 1997-04-15 | 1998-09-15 | Bailey; Arthur | Utility knife |
US5870828A (en) | 1997-06-04 | 1999-02-16 | Violex-Bic, S.A. | Utility knife system |
DE19723279C1 (de) | 1997-06-04 | 1998-04-23 | Beermann Kg Martor Argentax | Messer |
US5909930A (en) | 1997-08-05 | 1999-06-08 | Millers Falls Tool Company | Retractable blade utility knife having quick change feature |
US5940970A (en) | 1997-08-07 | 1999-08-24 | Le-Jo Enterprises, Inc. | Utility knife |
US5878501A (en) | 1997-08-08 | 1999-03-09 | The Stanley Works | Utility knife with retractable blade guard |
US5864954A (en) | 1997-09-02 | 1999-02-02 | Harrington Tools, Inc. | Slitter tool |
US6026575A (en) | 1997-11-14 | 2000-02-22 | American Safety Razor Company | Utility knife handle |
JPH11179072A (ja) | 1997-12-18 | 1999-07-06 | Kds:Kk | カッターナイフ |
US5906049A (en) | 1998-02-09 | 1999-05-25 | Butts; Robert | Double-ended utility knife with two covers |
TW338358U (en) | 1998-02-23 | 1998-08-11 | Chin Cheng Huang Co Ltd | A manual works knife |
US6263581B1 (en) | 1998-03-19 | 2001-07-24 | Philip Forte | Hunting knife with removable blade edges |
US6233832B1 (en) | 1998-06-11 | 2001-05-22 | Martor-Argentax E.H. Beermann Kg | Razor knife with retractable and latchable blade guard |
EP1100657A4 (en) | 1998-07-31 | 2002-08-28 | American Safety Razor | MULTI-PURPOSE KNIFE WITH QUARTER ROTATING CONNECTOR |
US6263577B1 (en) | 1998-10-06 | 2001-07-24 | American Safety Razor | Automatic spring retractable utility knife |
DE29819618U1 (de) | 1998-11-03 | 1999-01-21 | Chen, Chun Chiung, Da Li, Taichung | Messer |
US5966816A (en) | 1998-11-20 | 1999-10-19 | Roberson; Robbie E. | Straight knife with interchangeable pivoting blade |
USD420270S (en) | 1999-03-19 | 2000-02-08 | The Stanley Works | Utility knife |
US6308418B1 (en) | 1999-03-25 | 2001-10-30 | Gary B. Sweet | Utility knife |
DE19915934C1 (de) | 1999-04-09 | 1999-12-09 | Beermann Kg Martor Argentax | Messer mit einem im wesentlichen hohlen Griffkörper zur Aufnahme und Führung eines Schiebers |
US6070326A (en) | 1999-06-11 | 2000-06-06 | Martor-Argentax E.H. Beermann Kg | Razor knife with retractable blade guard |
US6286215B1 (en) | 1999-06-14 | 2001-09-11 | Hyde Manufacturing Company | Retractable blade scraper |
US6192589B1 (en) | 1999-06-25 | 2001-02-27 | The Stanley Works | Utility knife |
USD440858S1 (en) | 1999-08-12 | 2001-04-24 | The Stanley Works | Utility knife |
US6449850B1 (en) | 1999-08-13 | 2002-09-17 | The Stanley Works | Utility knife |
US6330749B1 (en) | 1999-08-14 | 2001-12-18 | Olympia Group, Inc. | Adjustable safety utility knife with easily removable blade holder |
US6502311B1 (en) | 1999-08-14 | 2003-01-07 | The Olympia Group, Inc. | Adjustable safety utility knife with slip resistant elements |
US6357120B1 (en) | 1999-08-14 | 2002-03-19 | Olympia Group, Inc. | Front-loading adjustable safety utility knife with safety quick-release lock |
USD438084S1 (en) | 1999-08-14 | 2001-02-27 | Olympia Industrial, Inc. | Adjustable safety utility knife |
US6560873B1 (en) | 1999-11-12 | 2003-05-13 | Mel Wayne Ortner | Automatic safety knife |
USD439492S1 (en) | 1999-12-01 | 2001-03-27 | The Stanley Works | Utility knife |
DE19959874C1 (de) | 1999-12-10 | 2001-08-16 | Beermann Kg Martor Argentax | Messer |
US6314646B1 (en) | 1999-12-15 | 2001-11-13 | Pacific Handy Cutter, Inc. | Utility knife |
US6249975B1 (en) | 1999-12-20 | 2001-06-26 | Hsing Tai Lin | Blade support device for a knife |
US20020029480A1 (en) | 1999-12-24 | 2002-03-14 | Lin Hsing Tai | Blade replacing device for a knife |
US6427333B1 (en) * | 2000-01-14 | 2002-08-06 | Buck Knives, Inc. | Knife-and-sheath combination with positive knife-to-sheath lock and multiple attachments points |
US6442784B1 (en) | 2000-04-06 | 2002-09-03 | Steve Bilger | Combination foxtail brush and retractable razor scraper |
US6317986B1 (en) * | 2000-05-18 | 2001-11-20 | Yin-Hae Huang | Quick disassembly device for a heavy duty artistic cutter |
USD437767S1 (en) | 2000-05-22 | 2001-02-20 | The Stanley Works | Sports utility knife |
US6543140B1 (en) | 2000-07-05 | 2003-04-08 | Adco Industries | Utility knife having improved blade carrier structure and method of manufacture thereof |
US6415514B1 (en) | 2000-08-03 | 2002-07-09 | Tseng Min Chun | Artistic knife with replaceable blade magazine |
US6354007B1 (en) | 2000-09-29 | 2002-03-12 | Robert E. Scarla | Utility knife |
US6688003B2 (en) | 2000-09-29 | 2004-02-10 | Robert E. Scarla | Utility knife |
US20050055833A1 (en) | 2000-09-29 | 2005-03-17 | Scarla Robert E. | Pivoting securing device for a utility knife blade |
US6418624B1 (en) * | 2000-09-29 | 2002-07-16 | Harrison Huang | Artist's knife having an automatically retractable blade |
US6915577B2 (en) | 2000-09-29 | 2005-07-12 | Robert Scala | Utility knife blade securing device |
US6513246B2 (en) | 2000-11-14 | 2003-02-04 | Great Neck Saw Manufacturers, Inc. | Utility knife |
US6446340B1 (en) | 2000-11-14 | 2002-09-10 | Great Neck Saw Manufacturers, Inc. | Utility knife |
FR2817187B1 (fr) | 2000-11-24 | 2003-02-28 | Mure & Peyrot | Cutter a porte-lame monobloc a fixation-liberation de la lame par pression |
US6578221B2 (en) | 2001-03-28 | 2003-06-17 | Great Neck Saw Manufacturers, Inc. | Foldable multi-tool |
USD462250S1 (en) | 2001-04-24 | 2002-09-03 | Great Neck Saw Manufacturers, Inc. | Utility knife |
US6574872B2 (en) | 2001-05-04 | 2003-06-10 | The Stanley Works | Utility knife |
US6832438B1 (en) | 2001-06-05 | 2004-12-21 | Allway Tools, Inc. | Utility knife with quick release housing |
US6374497B1 (en) | 2001-07-09 | 2002-04-23 | Taiwan San Tyau Co., Ltd. | Utility cutter |
US6510612B1 (en) | 2001-07-11 | 2003-01-28 | Marian Cybulski | Knife |
US6966113B2 (en) | 2001-07-23 | 2005-11-22 | Repetto Llc | Utility knife |
USD458526S1 (en) | 2001-07-24 | 2002-06-11 | Awi Acquisition Company | Utility knife |
US6829827B2 (en) | 2001-08-06 | 2004-12-14 | Han Chung Tseng | Artistic knife with spare blades |
US6874188B2 (en) | 2001-08-13 | 2005-04-05 | Wampum | Multi-tasking utility tool |
US20030037444A1 (en) | 2001-08-21 | 2003-02-27 | Chunn Steve Howard | Ergonomically shaped, fixed blade, front loading utility knife with extra blades storage compartment having single blade retrieval system |
US6484404B1 (en) * | 2001-10-16 | 2002-11-26 | Liang-Shen Kao | Multi-functional exacting knife structure |
US6957491B2 (en) | 2001-10-31 | 2005-10-25 | The Stanley Works | Combination utility and sporting knife |
US6553674B1 (en) | 2001-12-19 | 2003-04-29 | Awi Acquisition Company | Utility knife that protrudes a blade from a stored stack of blades |
USD463639S1 (en) | 2001-12-24 | 2002-09-24 | A. Richard Ltée | Ergonomic blade scraper |
US6796033B2 (en) | 2002-02-11 | 2004-09-28 | Greg J. Owoc | Utility knife |
DE20202165U1 (de) | 2002-02-13 | 2002-08-01 | Chao Chien Chuan | Handwerkermesser mit austauschbaren Klingen |
US6645216B2 (en) | 2002-02-14 | 2003-11-11 | David H. Masury | Surgical scalpel |
DE10208345C1 (de) | 2002-02-27 | 2003-08-21 | Beermann Kg Martor Argentax | Messer |
TWM240326U (en) | 2002-04-22 | 2004-08-11 | Shiu Huei Wen | Craft knife |
US6678958B1 (en) | 2002-05-01 | 2004-01-20 | Awi Acquisition Company | Utility knife with blade storage |
USD473778S1 (en) | 2002-06-25 | 2003-04-29 | Cheng-Hui Hsu | Utility knife |
USD478493S1 (en) | 2002-08-16 | 2003-08-19 | The Stanley Works | Utility knife |
US6971178B2 (en) | 2002-09-05 | 2005-12-06 | The Stanley Works | Replaceable blade knife |
US7346988B2 (en) | 2002-09-11 | 2008-03-25 | Allway Tools, Inc. | Soft handle non-retractable utility knife with quick release latch and method for making same |
US6898855B2 (en) | 2002-12-02 | 2005-05-31 | Gordon Sinclair Jones | Ergonomic Scraper |
USD495939S1 (en) | 2002-12-10 | 2004-09-14 | Great Neck Saw Manufacturers, Inc. | Utility knife |
CA2436285C (en) | 2002-12-10 | 2007-12-11 | Great Neck Saw Manufacturers, Inc. | Utility knife with blade locking means |
USD528895S1 (en) | 2003-05-13 | 2006-09-26 | Great Neck Saw Manufactures, Inc. | Utility knife |
US7040022B2 (en) | 2002-12-10 | 2006-05-09 | Great Neck Saw Manufacturers, Inc. | Utility knife |
USD510250S1 (en) | 2002-12-10 | 2005-10-04 | Great Neck Saw Manufacturers, Inc. | Utility knife |
US6848185B2 (en) | 2003-01-17 | 2005-02-01 | Glenn J. Tebo | Utility knife |
DE10306191B3 (de) | 2003-02-13 | 2004-05-19 | Martor Kg | Köcher zur Aufnahme von Handgeräten, insbesondere von Handwerkzeugen, wie z.B. von Messern |
TW584055U (en) | 2003-02-14 | 2004-04-11 | Yu-Shiung Huang | Utility knife |
US6742260B1 (en) | 2003-02-26 | 2004-06-01 | Cheng-Hui Hsu | Structure art design knife |
US6948250B1 (en) | 2003-03-06 | 2005-09-27 | Caiafa Jr Gerard | Retractable/disposable craft knife and blade insert therefor |
US6735872B1 (en) | 2003-03-25 | 2004-05-18 | Man-Chi Chang | Cutter knife |
US7051443B2 (en) | 2003-04-29 | 2006-05-30 | Kristopher Joseph Mueller | Multi-function heavy duty utility knife with stabilizer pivot structure |
USD501782S1 (en) | 2003-05-13 | 2005-02-15 | Great Neck Saw Manufacturers, Inc. | Utility knife |
USD552955S1 (en) | 2003-05-13 | 2007-10-16 | Great Neck Saw Manufacturers, Inc. | Utility knife |
USD545165S1 (en) | 2003-05-13 | 2007-06-26 | Great Neck Saw Manufacturers, Inc. | Foldable utility knife |
US6968622B2 (en) | 2003-05-13 | 2005-11-29 | Great Neck Saw Manufacturers, Inc. | Utility knife |
USD516403S1 (en) | 2003-05-13 | 2006-03-07 | Great Neck Saw Manufacturers, Inc. | Foldable utility knife |
USD539628S1 (en) | 2003-05-13 | 2007-04-03 | Great Neck Saw Manufacturers, Inc. | Foldable utility knife |
US20040237312A1 (en) | 2003-05-22 | 2004-12-02 | Hector Hernandez | Knife with trigger actuator for retractable blade |
DE10323760A1 (de) | 2003-05-22 | 2004-12-16 | Martor Kg | Messer |
USD492179S1 (en) | 2003-05-29 | 2004-06-29 | Alltrade Tools Llc | Knife handle |
DE10325214A1 (de) | 2003-06-04 | 2004-12-30 | Martor Kg | Messer |
US7131204B2 (en) | 2003-11-10 | 2006-11-07 | Irwin Industrial Tool Company | Utility knife with actuator for moving blade carrier and for releasing blade therefrom, and related method |
US20050193566A1 (en) | 2003-11-10 | 2005-09-08 | Brown Donald A. | Utility knife |
USD502379S1 (en) | 2003-12-30 | 2005-03-01 | Min Cheng Tseng | Cutter knife |
USD509724S1 (en) | 2004-02-12 | 2005-09-20 | The Stanley Works | Combination utility and sporting knife |
FR2867099B1 (fr) | 2004-03-02 | 2006-04-28 | Mure & Peyrot | Cutter a lame longue a sortie reglable et a protection escamotable |
TWM259687U (en) | 2004-03-03 | 2005-03-21 | Chi Whi Ind Inc | Utility knife |
CN2685033Y (zh) | 2004-03-19 | 2005-03-16 | 仇建平 | 一种锁扣式实用刀刀架 |
US7475480B2 (en) | 2004-04-05 | 2009-01-13 | The Votolato Living Trust | Disposable blade cartridge utility knife |
USD509419S1 (en) | 2004-05-14 | 2005-09-13 | Yen-Chao Chung | Carpenter knife |
USD524138S1 (en) | 2004-06-16 | 2006-07-04 | Gordon Chih | Utility knife |
CN2728796Y (zh) * | 2004-06-22 | 2005-09-28 | 李永仁 | 便于更换刀片的美工刀 |
US20050283983A1 (en) | 2004-06-23 | 2005-12-29 | Huang Yin H | Knife having automatically loading blade |
US6951055B1 (en) | 2004-06-25 | 2005-10-04 | Collins Walter W | Folding utility knife |
USD512296S1 (en) | 2004-07-29 | 2005-12-06 | Great Neck Saw Manufacturers, Inc. | Utility knife |
US20060026844A1 (en) | 2004-08-06 | 2006-02-09 | Great Neck Saw Manufacturers, Inc. | Foldable knife |
USD522835S1 (en) | 2004-08-06 | 2006-06-13 | Great Neck Saw Manfacturers, Inc. | Foldable knife |
US7146736B1 (en) * | 2004-08-30 | 2006-12-12 | Collins Walter W | Folding knife with cantilevered spring |
US8857064B2 (en) | 2004-10-15 | 2014-10-14 | Pacific Handy Cutter, Inc. | Safety cutter apparatus |
WO2006050441A1 (en) | 2004-11-02 | 2006-05-11 | Glb Tool, Inc. | Safety mechanism for preventing accidental deployment of a utility knife blade |
USD526878S1 (en) | 2004-11-29 | 2006-08-22 | Great Neck Saw Manufacturers, Inc. | Knife |
USD525104S1 (en) | 2005-02-17 | 2006-07-18 | Ian Samberg | Utility knife |
US7107688B1 (en) | 2005-04-18 | 2006-09-19 | Cooper Brands, Inc. | Releasable blade locking mechanism for utility knife |
US7194809B2 (en) | 2005-04-18 | 2007-03-27 | Patents Holding Company | Quick release blade and knife |
USD535171S1 (en) | 2005-07-11 | 2007-01-16 | Great Neck Saw Manufacturers, Inc. | Knife |
US20070006466A1 (en) | 2005-07-11 | 2007-01-11 | Great Neck Saw Manufacturers, Inc. | Knife |
US7797836B2 (en) | 2005-08-02 | 2010-09-21 | The Stanley Works | Compact utility knife |
DE102005049411B3 (de) | 2005-10-13 | 2007-03-01 | Martor Kg | Messer |
DE102005051108B3 (de) | 2005-10-24 | 2007-03-29 | Martor Kg | Messer |
US7185435B1 (en) | 2005-11-09 | 2007-03-06 | Awi Acquisition Company | Utility knife with dual blades |
US7316070B2 (en) | 2005-11-15 | 2008-01-08 | Irwin Industrial Tool Company | Self-retracting utility knife |
DE102005057213B3 (de) | 2005-11-29 | 2007-03-22 | Martor Kg | Messer |
US20070157472A1 (en) | 2006-01-11 | 2007-07-12 | Cooper Brands, Inc. | Utility knife with releasable blade retention mechanism |
USD559072S1 (en) | 2006-05-19 | 2008-01-08 | Juan Carlos Fraga | Utility knife with two blades |
USD558555S1 (en) | 2006-06-07 | 2008-01-01 | Yin Han Huang | Utility knife |
US7448136B2 (en) | 2006-06-07 | 2008-11-11 | Yin Han Huang | Utility knife |
USD564327S1 (en) | 2006-07-03 | 2008-03-18 | Yuewei Wu | Utility knife |
US20080110027A1 (en) | 2006-11-13 | 2008-05-15 | I.D.L. Tech Tools, Llc | Multiblade knife unit |
CN200991904Y (zh) | 2006-12-15 | 2007-12-19 | 亿品(香港)有限公司 | 自动更换刀片的美工刀 |
US8201336B2 (en) * | 2008-05-02 | 2012-06-19 | Olympia Tools International, Inc. | Retractable utility knife |
-
2008
- 2008-08-21 US US12/195,958 patent/US8695221B2/en active Active
-
2009
- 2009-08-20 WO PCT/US2009/054474 patent/WO2010022241A2/en active Application Filing
- 2009-08-21 TW TW098128235A patent/TWI501849B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708881A (en) * | 1971-03-22 | 1973-01-09 | R Bennett | Multi position adjustable roofing knife |
US20030079347A1 (en) * | 2001-10-25 | 2003-05-01 | Adco Industries, Inc. | Box cutter with deflectable safety shield |
US7134207B2 (en) * | 2003-05-13 | 2006-11-14 | Great Neck Saw Manufacturers, Inc. | Foldable utility knife |
US20070028454A1 (en) * | 2005-08-02 | 2007-02-08 | The Stanley Works | Compact utility knife |
Also Published As
Publication number | Publication date |
---|---|
WO2010022241A2 (en) | 2010-02-25 |
US20100043235A1 (en) | 2010-02-25 |
WO2010022241A3 (en) | 2010-04-29 |
TW201016415A (en) | 2010-05-01 |
US8695221B2 (en) | 2014-04-15 |
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MM4A | Annulment or lapse of patent due to non-payment of fees |