US20080041991A1 - Peppermill lid - Google Patents
Peppermill lid Download PDFInfo
- Publication number
- US20080041991A1 US20080041991A1 US11/461,946 US46194606A US2008041991A1 US 20080041991 A1 US20080041991 A1 US 20080041991A1 US 46194606 A US46194606 A US 46194606A US 2008041991 A1 US2008041991 A1 US 2008041991A1
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- US
- United States
- Prior art keywords
- opening
- cap
- insert
- peppermill
- grinding mechanism
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J42/00—Coffee mills; Spice mills
- A47J42/38—Parts or details
- A47J42/40—Parts or details relating to discharge, receiving container or the like; Bag clamps, e.g. with means for actuating electric switches
Definitions
- This invention relates generally to peppermills and, more specifically, to closure systems for peppermills.
- a typical peppermill includes a main body with a cavity for receiving peppercorns, a grinding mechanism positioned near the bottom of the case, and a knob for actuating the grinding mechanism positioned at the top of the case.
- the grinding mechanism empties the ground pepper through the bottom of the peppermill. The ground pepper often does not all immediately fall from the grinding mechanism, but rather works its way out as the peppermill is moved or placed on a table or shelf. Wherever the peppermill is placed, ground pepper will be left behind.
- a peppermill may be constructed in a variety of forms, such as a body having upper and lower ends and defining a cavity extending between the upper and lower ends. Whole peppercorns are stored in the cavity and ground to a desired degree of coarseness by a grinding mechanism.
- a cap rotatably secures to the body over the lower opening.
- An opening extends through the cap to allow ground pepper to fall from the mill.
- the opening may be closed to prevent ground pepper from escaping.
- the opening may be formed in the rim of the cap and be alignable with a gap or opening formed in the body of the peppermill. In such an embodiment, the opening in the cap may be closed by positioning the opening over a portion of the body.
- the cap secures to an insert positioned within the cavity.
- the insert includes an opening alignable with the opening in the cap.
- a flange secured to the cap may be used to cover the opening in the insert when the cap opening is not aligned with the insert opening.
- FIG. 1 is a perspective view of an assembled peppermill, in accordance with an embodiment of the present invention.
- FIGS. 2A and 2B are exploded views of peppermills, in accordance with an embodiment of the present invention.
- FIG. 3 is a perspective view of a cap suitable for use in the present invention.
- FIGS. 4A and 4B are cross sectional views illustrating a method for closing a peppermill, in accordance with an embodiment of the present invention.
- a preferred embodiment of a peppermill 10 includes a cap 12 mounted to a body 14 formed of wood, plastic, or other material.
- the body 14 includes an internal cavity 16 between the upper end 18 a and lower end 18 b .
- the cavity 16 houses a grinding mechanism 20 for grinding peppercorns.
- a shaft 22 extends from the grinding mechanism to a knob 24 positioned at the upper end 18 a of the peppermill 10 .
- the knob 24 is removable by loosening a nut 26 secured to the shaft 22 .
- any peppermill may be used with the present invention.
- any device capable of grinding may be used.
- the mill need not be capable of grinding pepper, but rather can grind salt, spices, or other items.
- the cap 12 in the preferred embodiment is rotatable about a longitudinal axis 28 extending through the body 14 .
- the cap 12 includes a lateral opening 30 extending through cap 12 , such as through a rim 32 of the cap 12 .
- the lateral opening 30 typically extends through the rim 32 in a direction substantially perpendicular to the longitudinal axis 28 .
- the cap 12 may be rotated such that the lateral opening 30 is brought into and out of alignment with a gap 34 , or other opening formed in the body near the lower end 18 b .
- the gap 34 may be formed in a ridge 36 formed at the lower end of the body 14 .
- the rim 32 may have a height such that the rim 34 abuts a shoulder 38 encircling the ridge 36 when the cap 12 is secured to the body 14 .
- Projections 40 are formed on the cap 12 to facilitated gripping of the cap 12 during rotation.
- a projection having sufficient size to cover the opening 30 extends from the body 14 such that the projection may be positioned over the opening 30 when the cap is in a closed position.
- the cap 12 may secure to the body 14 by means of an insert 42 inserted within recess 43 adjacent the cavity 16 .
- the recess 43 is typically concentric with the cavity 16 and has a slightly larger diameter.
- the insert 42 includes an insert opening 44 extending through the insert in a direction substantially perpendicular to the longitudinal direction.
- the insert opening 44 is preferably substantially aligned with the gap 34 .
- the insert 42 may be shaped as a cup retained within the cavity 16 by means of a friction fit or by means of a detent mechanism, such as hooked tabs 46 monolithically formed with the insert 42 .
- the cap 12 includes a post 52 sized to fit within an aperture 54 formed in the insert 42 .
- the post 52 includes a plurality of hooked tabs 56 that elastically deform to allow the post to insert within the aperture 54 and exert a biasing force resisting removal of the post 52 from the aperture 54 .
- the cap 12 further includes an arcuate flange 58 having a radius of curvature centered approximately at the longitudinal axis 28 when the cap 12 is secured to the body 14 .
- the arcuate flange 58 is positioned adjacent the lateral opening 30 spaced apart from the rim 32 such that the ridge 36 is positionable between the arcuate flange 58 and the rim 32 .
- a recess 60 is formed in the ridge 36 adjacent the gap 34 to receive the flange 58 .
- a larger diameter portion 62 is formed in the body forming a gap between the insert 42 and the ridge 36 when inserted to receive the arcuate flange 58 .
- the insert 42 is provided with a projection 64 engaging a groove 66 formed in the body 14 to align the insert opening 44 with the gap 34 .
- the groove 66 extends across the ridge 36 and into the cavity 16 .
- the groove 66 extends from the boundary of the large diameter portion 62 into the cavity 16 .
- the projection 64 may extend to the lowermost surface of the insert 42 such that the projection 64 is visible to aid a user in centering the insert 42 during insertion.
- a stop 68 is formed on the cap 12 circumferentially between the arcuate flange 58 and the lateral opening 30 .
- the stop 68 and arcuate flange 58 may be formed as continuous ridge of material secured to the cap 12 .
- the stop 68 engages the ridge 36 to limit rotation of the cap 12 to movement between an open position in which the lateral opening 30 is positioned within the gap 34 and a closed position in which the arcuate flange 58 is positioned over the insert opening 44 and the lateral opening 30 is positioned over the ridge 36 .
- the cap 12 includes one or more arcuate grooves 70 having a radius of curvature substantially centered on the longitudinal axis 28 when the cap 12 is secured to the body 14 .
- the insert 42 includes one or more posts 72 corresponding to the grooves 70 and positioned within the grooves 72 when the cap 12 is secured to the insert 42 .
- Detents 74 are positioned near the ends of the grooves 70 and resist movement of the posts 72 both into and out of the ends of the grooves 70 .
- the grooves 70 have angular sizes corresponding to the range of motion of the cap 12 between the open and closed positions, such that the detents 74 tend to retain the cap 12 in the opened and closed positions.
- the detents 74 are embodied as small projections extending into the grooves 70 .
- the cap 12 bears an indicator 78 printed on, formed in, or secured to, the cap 12 opposite the lateral opening 30 .
- the indicator 78 facilitates use of the peppermill 10 by indicating to a user that the lateral opening 30 is oriented downwardly when the indicator is facing upward.
- FIG. 4A illustrates cross sectional view 4 of the peppermill 10 having the cap 12 in an open position. In the open position, the lateral opening 30 , gap 34 , and insert opening 44 are substantially aligned allowing ground pepper to pass threrethrough.
- FIG. 4 B illustrates cross sectional view 4 of the peppermill 10 in a closed position. To close the peppermill 10 , the cap 12 is rotated to the closed position having the lateral opening 30 positioned over the ridge 36 . The arcuate flange 58 is positioned over the insert opening 44 .
- the ridge 36 and gap 34 are replaced by a projection extending outwardly from the body 14 substantially parallel to the longitudinal axis 28 and positionable over the opening 30 when the cap 12 is rotated into the closed position.
- the arcuate flange 58 covers the opening 44 in the insert 42 and the rim 32 covers the gap 34 in the closed position.
- the flange 58 may be eliminated in order to rely on the rim 32 to cover the gap 34 or other opening formed in the body 14 .
- the ridge 36 is eliminated such that the opening 30 is left open and positioning of the flange 58 , or other structure constrained to rotate with the cap 12 , over the opening 44 is relied upon for closure.
- a sliding member or door secures to the cap 12 , such as along the rim 32 , such that the sliding member is slidable over the opening 30 in order to close the opening 30 .
- the cap 12 need not be rotatable with respect to the body 14 or insert 42 .
- the opening 30 in the cap 12 and the opening 44 in the insert 42 may extend through the cap 12 and insert 42 , respectively, in a direction substantially parallel to the longitudinal axis 28 .
- the arcuate flange 58 may be substituted by a substantially planar flange oriented perpendicular to the longitudinal axis and positionable over the opening 44 .
- the opening 30 may be positioned over a portion of the body 14 or insert 42 in order to close the opening 30 .
- the cap 12 is in threaded engagement with the body 14 or insert 42 , such that the cap 12 may be unthreaded to move the cap 12 away from the body 14 to create a gap between the cap 12 and body 14 . Ground pepper may then be allowed to escape through the gap.
- the cap 12 In the closed position, the cap 12 is threaded toward the body to close the gap.
- the opening 30 in the cap 12 may be omitted. In embodiments including the opening 30 , the opening 30 is positioned over a ridge or flange secured to the body 14 or insert 42 when the cap 12 is in the closed position.
- the cap 12 fits within a recess formed in the body 14 .
- the cap 12 may be encircled by the ridge 36 , or other structure located at the base of the body 14 .
- the arcuate flange 58 may be eliminated and the rim 32 of the cap 12 may serve to block the opening 44 in the insert 42 .
- an opening 30 in the cap 12 may be aligned with a gap 34 in the ridge 36 , or other opening formed in the body 14 , when the cap 12 is in an open position.
- an opening 30 in the cap 12 may be aligned with a projection secured to the body 14 in order to close the opening 30 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
Description
- This invention relates generally to peppermills and, more specifically, to closure systems for peppermills.
- Fresh ground pepper from a peppermill often comes at the expense of a great deal of cleaning. A typical peppermill includes a main body with a cavity for receiving peppercorns, a grinding mechanism positioned near the bottom of the case, and a knob for actuating the grinding mechanism positioned at the top of the case. The grinding mechanism empties the ground pepper through the bottom of the peppermill. The ground pepper often does not all immediately fall from the grinding mechanism, but rather works its way out as the peppermill is moved or placed on a table or shelf. Wherever the peppermill is placed, ground pepper will be left behind.
- It would therefore be an advancement in the art to provide a peppermill providing a convenient and effective means for distributing ground pepper while preventing accidental release of remnants of ground pepper when the peppermill is not in use.
- A peppermill may be constructed in a variety of forms, such as a body having upper and lower ends and defining a cavity extending between the upper and lower ends. Whole peppercorns are stored in the cavity and ground to a desired degree of coarseness by a grinding mechanism.
- In one example, a cap rotatably secures to the body over the lower opening. An opening extends through the cap to allow ground pepper to fall from the mill. The opening may be closed to prevent ground pepper from escaping. The opening may be formed in the rim of the cap and be alignable with a gap or opening formed in the body of the peppermill. In such an embodiment, the opening in the cap may be closed by positioning the opening over a portion of the body.
- In another embodiment, the cap secures to an insert positioned within the cavity. The insert includes an opening alignable with the opening in the cap. A flange secured to the cap may be used to cover the opening in the insert when the cap opening is not aligned with the insert opening.
- Preferred and alternative embodiments of the present invention are described in detail below with reference to the following drawings:
-
FIG. 1 is a perspective view of an assembled peppermill, in accordance with an embodiment of the present invention; -
FIGS. 2A and 2B are exploded views of peppermills, in accordance with an embodiment of the present invention; -
FIG. 3 is a perspective view of a cap suitable for use in the present invention; and -
FIGS. 4A and 4B are cross sectional views illustrating a method for closing a peppermill, in accordance with an embodiment of the present invention. - Referring to
FIGS. 1 , 2A, and 2B, a preferred embodiment of apeppermill 10 includes acap 12 mounted to abody 14 formed of wood, plastic, or other material. Thebody 14 includes aninternal cavity 16 between theupper end 18 a andlower end 18 b. Thecavity 16 houses agrinding mechanism 20 for grinding peppercorns. Ashaft 22 extends from the grinding mechanism to aknob 24 positioned at theupper end 18 a of thepeppermill 10. Theknob 24 is removable by loosening anut 26 secured to theshaft 22. - The above peppermill construction is one preferred form, but any peppermill may be used with the present invention. Thus, there need not be a
knob 24,shaft 22, andinternal cavity 16. Instead, any device capable of grinding may be used. Likewise, the mill need not be capable of grinding pepper, but rather can grind salt, spices, or other items. - The
cap 12 in the preferred embodiment is rotatable about alongitudinal axis 28 extending through thebody 14. Thecap 12 includes alateral opening 30 extending throughcap 12, such as through arim 32 of thecap 12. Thelateral opening 30 typically extends through therim 32 in a direction substantially perpendicular to thelongitudinal axis 28. - The
cap 12 may be rotated such that thelateral opening 30 is brought into and out of alignment with agap 34, or other opening formed in the body near thelower end 18 b. Thegap 34 may be formed in aridge 36 formed at the lower end of thebody 14. Therim 32 may have a height such that therim 34 abuts ashoulder 38 encircling theridge 36 when thecap 12 is secured to thebody 14.Projections 40 are formed on thecap 12 to facilitated gripping of thecap 12 during rotation. In an alternative embodiment, a projection having sufficient size to cover theopening 30 extends from thebody 14 such that the projection may be positioned over theopening 30 when the cap is in a closed position. - The
cap 12 may secure to thebody 14 by means of aninsert 42 inserted withinrecess 43 adjacent thecavity 16. Therecess 43 is typically concentric with thecavity 16 and has a slightly larger diameter. Theinsert 42 includes aninsert opening 44 extending through the insert in a direction substantially perpendicular to the longitudinal direction. Theinsert opening 44 is preferably substantially aligned with thegap 34. Theinsert 42 may be shaped as a cup retained within thecavity 16 by means of a friction fit or by means of a detent mechanism, such as hookedtabs 46 monolithically formed with theinsert 42. - Referring to
FIG. 3 , while still referring toFIGS. 2A and 2B , thecap 12 includes a post 52 sized to fit within anaperture 54 formed in theinsert 42. Thepost 52 includes a plurality of hookedtabs 56 that elastically deform to allow the post to insert within theaperture 54 and exert a biasing force resisting removal of thepost 52 from theaperture 54. - The
cap 12 further includes anarcuate flange 58 having a radius of curvature centered approximately at thelongitudinal axis 28 when thecap 12 is secured to thebody 14. Thearcuate flange 58 is positioned adjacent the lateral opening 30 spaced apart from therim 32 such that theridge 36 is positionable between thearcuate flange 58 and therim 32. - In the embodiment of
FIG. 2A , arecess 60 is formed in theridge 36 adjacent thegap 34 to receive theflange 58. In the embodiment ofFIG. 2B , alarger diameter portion 62 is formed in the body forming a gap between theinsert 42 and theridge 36 when inserted to receive thearcuate flange 58. In some embodiments, theinsert 42 is provided with aprojection 64 engaging agroove 66 formed in thebody 14 to align theinsert opening 44 with thegap 34. In the embodiment ofFIG. 2A , thegroove 66 extends across theridge 36 and into thecavity 16. In the embodiment ofFIG. 2B , thegroove 66 extends from the boundary of thelarge diameter portion 62 into thecavity 16. In the embodiment ofFIG. 2B , theprojection 64 may extend to the lowermost surface of theinsert 42 such that theprojection 64 is visible to aid a user in centering theinsert 42 during insertion. - A
stop 68 is formed on thecap 12 circumferentially between thearcuate flange 58 and thelateral opening 30. Thestop 68 andarcuate flange 58 may be formed as continuous ridge of material secured to thecap 12. Thestop 68 engages theridge 36 to limit rotation of thecap 12 to movement between an open position in which thelateral opening 30 is positioned within thegap 34 and a closed position in which thearcuate flange 58 is positioned over theinsert opening 44 and thelateral opening 30 is positioned over theridge 36. - The
cap 12 includes one or morearcuate grooves 70 having a radius of curvature substantially centered on thelongitudinal axis 28 when thecap 12 is secured to thebody 14. Theinsert 42 includes one ormore posts 72 corresponding to thegrooves 70 and positioned within thegrooves 72 when thecap 12 is secured to theinsert 42.Detents 74 are positioned near the ends of thegrooves 70 and resist movement of theposts 72 both into and out of the ends of thegrooves 70. Thegrooves 70 have angular sizes corresponding to the range of motion of thecap 12 between the open and closed positions, such that thedetents 74 tend to retain thecap 12 in the opened and closed positions. In the illustrated embodiment, thedetents 74 are embodied as small projections extending into thegrooves 70. - In some embodiments, the
cap 12 bears anindicator 78 printed on, formed in, or secured to, thecap 12 opposite thelateral opening 30. Theindicator 78 facilitates use of thepeppermill 10 by indicating to a user that thelateral opening 30 is oriented downwardly when the indicator is facing upward. -
FIG. 4A illustrates crosssectional view 4 of thepeppermill 10 having thecap 12 in an open position. In the open position, thelateral opening 30,gap 34, and insert opening 44 are substantially aligned allowing ground pepper to pass threrethrough. FIG. 4B illustrates crosssectional view 4 of thepeppermill 10 in a closed position. To close thepeppermill 10, thecap 12 is rotated to the closed position having thelateral opening 30 positioned over theridge 36. Thearcuate flange 58 is positioned over theinsert opening 44. - Various alternative embodiments of the invention are possible. In one embodiment, the
ridge 36 andgap 34 are replaced by a projection extending outwardly from thebody 14 substantially parallel to thelongitudinal axis 28 and positionable over theopening 30 when thecap 12 is rotated into the closed position. - In the preferred embodiment, the
arcuate flange 58 covers theopening 44 in theinsert 42 and therim 32 covers thegap 34 in the closed position. However, good results may be obtained by using only one of these closure means. Thus, for example, theflange 58 may be eliminated in order to rely on therim 32 to cover thegap 34 or other opening formed in thebody 14. Alternatively, theridge 36 is eliminated such that theopening 30 is left open and positioning of theflange 58, or other structure constrained to rotate with thecap 12, over theopening 44 is relied upon for closure. - In some embodiments, a sliding member or door secures to the
cap 12, such as along therim 32, such that the sliding member is slidable over theopening 30 in order to close theopening 30. In such embodiments, thecap 12 need not be rotatable with respect to thebody 14 orinsert 42. - In another alternative embodiment, the
opening 30 in thecap 12 and theopening 44 in theinsert 42 may extend through thecap 12 andinsert 42, respectively, in a direction substantially parallel to thelongitudinal axis 28. In such an embodiment, thearcuate flange 58 may be substituted by a substantially planar flange oriented perpendicular to the longitudinal axis and positionable over theopening 44. In such an embodiment, theopening 30 may be positioned over a portion of thebody 14 orinsert 42 in order to close theopening 30. - In another embodiment, the
cap 12 is in threaded engagement with thebody 14 orinsert 42, such that thecap 12 may be unthreaded to move thecap 12 away from thebody 14 to create a gap between thecap 12 andbody 14. Ground pepper may then be allowed to escape through the gap. In the closed position, thecap 12 is threaded toward the body to close the gap. In such an embodiment, theopening 30 in thecap 12 may be omitted. In embodiments including theopening 30, theopening 30 is positioned over a ridge or flange secured to thebody 14 or insert 42 when thecap 12 is in the closed position. - In still other embodiment, the
cap 12 fits within a recess formed in thebody 14. For example, thecap 12 may be encircled by theridge 36, or other structure located at the base of thebody 14. In such embodiments, thearcuate flange 58 may be eliminated and therim 32 of thecap 12 may serve to block theopening 44 in theinsert 42. As in the embodiment ofFIGS. 1-4B , anopening 30 in thecap 12 may be aligned with agap 34 in theridge 36, or other opening formed in thebody 14, when thecap 12 is in an open position. Alternatively, anopening 30 in thecap 12 may be aligned with a projection secured to thebody 14 in order to close theopening 30. - While the preferred embodiment of the invention has been illustrated and described, as noted above, many changes can be made without departing from the spirit and scope of the invention. Accordingly, the scope of the invention is not limited by the disclosure of the preferred embodiment. Instead, the invention should be determined entirely by reference to the claims that follow.
Claims (26)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/461,946 US7328865B1 (en) | 2006-08-02 | 2006-08-02 | Peppermill lid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/461,946 US7328865B1 (en) | 2006-08-02 | 2006-08-02 | Peppermill lid |
Publications (2)
Publication Number | Publication Date |
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US7328865B1 US7328865B1 (en) | 2008-02-12 |
US20080041991A1 true US20080041991A1 (en) | 2008-02-21 |
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Application Number | Title | Priority Date | Filing Date |
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US11/461,946 Expired - Fee Related US7328865B1 (en) | 2006-08-02 | 2006-08-02 | Peppermill lid |
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US (1) | US7328865B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014091396A1 (en) * | 2012-12-10 | 2014-06-19 | David Stephen Delbridge | Spice grinders |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7699252B2 (en) * | 2007-10-10 | 2010-04-20 | Yienn Lih Enterprise Co., Ltd. | Outlet device of a grinder |
US7673828B1 (en) * | 2009-02-26 | 2010-03-09 | Yienn Lih Enterprise Co., Ltd. | Pepper mill |
US7806352B1 (en) | 2009-04-01 | 2010-10-05 | Helen Of Troy Limited | Food grater with pour control |
US20100276527A1 (en) * | 2009-04-29 | 2010-11-04 | Progressive International Corporation | Spice mills and shakers |
CN102813468B (en) * | 2011-11-01 | 2015-11-18 | 宁波厨聚厨房科技有限公司 | Mill |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4771955A (en) * | 1982-04-29 | 1988-09-20 | Paulson John K | Pepper mill closure |
US20020117566A1 (en) * | 2001-02-27 | 2002-08-29 | Shun-I Cheng | Pepper mill |
USD495212S1 (en) * | 2002-12-09 | 2004-08-31 | Laura Ann Martin | Container assembly |
US20050211806A1 (en) * | 2004-03-29 | 2005-09-29 | Wing Wo Plastic Manufactory Limited | Condiment grinder |
US20060261198A1 (en) * | 2005-05-18 | 2006-11-23 | Lee Tung H | Pepper mill |
-
2006
- 2006-08-02 US US11/461,946 patent/US7328865B1/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4771955A (en) * | 1982-04-29 | 1988-09-20 | Paulson John K | Pepper mill closure |
US20020117566A1 (en) * | 2001-02-27 | 2002-08-29 | Shun-I Cheng | Pepper mill |
US6443377B1 (en) * | 2001-02-27 | 2002-09-03 | Shun-I Cheng | Pepper mill |
USD495212S1 (en) * | 2002-12-09 | 2004-08-31 | Laura Ann Martin | Container assembly |
US20050211806A1 (en) * | 2004-03-29 | 2005-09-29 | Wing Wo Plastic Manufactory Limited | Condiment grinder |
US20060261198A1 (en) * | 2005-05-18 | 2006-11-23 | Lee Tung H | Pepper mill |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014091396A1 (en) * | 2012-12-10 | 2014-06-19 | David Stephen Delbridge | Spice grinders |
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US7328865B1 (en) | 2008-02-12 |
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