DE3670598D1 - Immer scharfer bleistift. - Google Patents

Immer scharfer bleistift.

Info

Publication number
DE3670598D1
DE3670598D1 DE8686900853T DE3670598T DE3670598D1 DE 3670598 D1 DE3670598 D1 DE 3670598D1 DE 8686900853 T DE8686900853 T DE 8686900853T DE 3670598 T DE3670598 T DE 3670598T DE 3670598 D1 DE3670598 D1 DE 3670598D1
Authority
DE
Germany
Prior art keywords
sharp pencil
always sharp
always
pencil
sharp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8686900853T
Other languages
English (en)
Inventor
Hidehei Kabushikikais Kageyama
Yukimasa Kabushikikai Kuwabara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kotobuki and Co Ltd
Original Assignee
Kotobuki and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27455212&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3670598(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP959585U external-priority patent/JPS61125481U/ja
Priority claimed from JP1985009596U external-priority patent/JPH0347907Y2/ja
Priority claimed from JP16140085U external-priority patent/JPS6270983U/ja
Priority claimed from JP20314385U external-priority patent/JPS62109983U/ja
Application filed by Kotobuki and Co Ltd filed Critical Kotobuki and Co Ltd
Application granted granted Critical
Publication of DE3670598D1 publication Critical patent/DE3670598D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
    • B43K21/033—Writing-core feeding mechanisms with sliding tubelike writing-core guide with automatic feed by pressure during use of pencil
DE8686900853T 1985-01-26 1986-01-25 Immer scharfer bleistift. Expired - Fee Related DE3670598D1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP959585U JPS61125481U (de) 1985-01-26 1985-01-26
JP1985009596U JPH0347907Y2 (de) 1985-01-26 1985-01-26
JP16140085U JPS6270983U (de) 1985-10-22 1985-10-22
JP20314385U JPS62109983U (de) 1985-12-28 1985-12-28
PCT/JP1986/000032 WO1986004300A1 (en) 1985-01-26 1986-01-25 Eversharp pencil

Publications (1)

Publication Number Publication Date
DE3670598D1 true DE3670598D1 (de) 1990-05-31

Family

ID=27455212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686900853T Expired - Fee Related DE3670598D1 (de) 1985-01-26 1986-01-25 Immer scharfer bleistift.

Country Status (5)

Country Link
US (1) US4714365A (de)
EP (1) EP0210280B1 (de)
BR (1) BR8604742A (de)
DE (1) DE3670598D1 (de)
WO (1) WO1986004300A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4895467A (en) * 1986-11-25 1990-01-23 Kotobuki & Co., Ltd. Rotary knock type mechanical pencil
US4884910A (en) * 1987-04-17 1989-12-05 Kotobuki & Co., Ltd. Mechanical pencil
JP2562933Y2 (ja) * 1991-07-23 1998-02-16 株式会社壽 棒状物繰り出し容器
US5462376A (en) * 1994-02-16 1995-10-31 Kotobuki & Co., Ltd. Mechanical pencil with improved slider mechanism
JP3466739B2 (ja) * 1994-10-28 2003-11-17 株式会社壽 シャープペンシルのスライダ
JP3323022B2 (ja) * 1995-01-19 2002-09-09 株式会社壽 シャープペンシル
JPH09272293A (ja) * 1996-02-09 1997-10-21 Kotobuki:Kk 筆記具
JPH10166783A (ja) * 1996-10-07 1998-06-23 Kotobuki Kk ダブルチャック式シャープペンシル
US6116799A (en) * 1998-11-19 2000-09-12 Kotobuki & Co., Ltd. Installation structure of lead advancing mechanism in writing instrument
JP4676067B2 (ja) * 2001-01-10 2011-04-27 株式会社壽 シャープペンシル
US20110188918A1 (en) * 2010-02-01 2011-08-04 Micro Co., Ltd. Mechanical pencil
JP2020183045A (ja) * 2019-04-26 2020-11-12 三菱鉛筆株式会社 シャープペンシル

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864046A (en) * 1973-02-16 1975-02-04 Kemal Butka Mechanical pencil, especially for thin leads
JPS567506Y2 (de) * 1977-04-02 1981-02-18
US4171170A (en) * 1977-03-31 1979-10-16 Kotobuki & Co., Ltd. Automatic pencil
JPS53154035U (de) * 1977-05-09 1978-12-04
US4358210A (en) * 1978-11-20 1982-11-09 Ancos Co., Ltd. Mechanical pencil with chuck closing by normal writing grip
JPS5845101Y2 (ja) * 1979-05-15 1983-10-13 ぺんてる株式会社 ノック式シャ−プペンシル
JPS56154384U (de) * 1980-04-21 1981-11-18
US4382706A (en) * 1980-05-07 1983-05-10 Ancos Co., Ltd. Mechanical pencil
US4371277A (en) * 1980-07-25 1983-02-01 Kotobuki & Co., Ltd. Automatic pencil
JPS59240Y2 (ja) * 1981-05-26 1984-01-06 株式会社 寿 シヤ−プペンシル
JPS58171392U (ja) * 1982-05-10 1983-11-16 株式会社寿 シヤ−プペンシル
JPS5946283U (ja) * 1982-09-20 1984-03-27 プラチナ「まん」年筆株式会社 鉛芯保護用スライダ−

Also Published As

Publication number Publication date
EP0210280A4 (de) 1987-06-01
US4714365A (en) 1987-12-22
EP0210280A1 (de) 1987-02-04
EP0210280B1 (de) 1990-04-25
WO1986004300A1 (en) 1986-07-31
BR8604742A (pt) 1987-08-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee