Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7363714 | Pencil sharpener A pencil sharpener has at least two sharpener units, each with a sharpener body and a shaving blade. The sharpener bodies of adjacent sharpener units being connected integrally via film strips acting as a predetermined bending point and/or predetermined separating p... | 04/29/2008 |
| 7310881 | Pencil shaving device An article for shaving pencils having a body member with a bore in the body member for receiving a pencil. The bore has at least one aperture or opening. The body member further includes a cutting, or shaving, device, so that upon a manual insertion of a pencil into... | 12/25/2007 |
| 7143516 | Pencil sharpener cap The present invention involves a pencil sharpener that is housed in a pencil cap, having a variable-sized shavings reservoir. The shavings reservoir can be expanded by moving at least one of an internal wall, an external wall, and the sharpener. Contemplated caps co... | 12/05/2006 |
| 7134461 | Pencil sharpener A pencil sharpener includes a frame, a drive mechanism, a transmission mechanism, a cutting mechanism, and a pencil-core adjustment mechanism. The pencil-core adjustment mechanism is constituted of a core stopper shaft, an elastic body, and a core adjustment switch ... | 11/14/2006 |
| 6976314 | Sharpener for soft-core pencils A sharpener for sharpening soft-core pencils, especially those used in the medical or pharmaceutical field, includes a housing; and a shaping componentry, received by the housing, for shaping and sharpening a medical or pharmaceutical pencil. The shaping componentry... | 12/20/2005 |
| 6966117 | Carpenters pencil sharpener A carpenters pencil sharpener having a body member having a T-shaped opening in its front wall. The body member has an interior pencil sharpening chamber having respective left and right upper support platforms and respective left and right lower support platforms. ... | 11/22/2005 |
| 6948251 | Pivoting sharpening device for pencil with non-circular cross section A sharpening device for a carpenter's pencil. A housing has a pivotable guide with a cruciform passage to receive the pencil in either of two positions. A pair of oppositely directed blades are mounted on opposed walls within the housing. The pencil is pivoted while... | 09/27/2005 |
| 6883697 | Office tool assembly An office tool assembly has a tool and a hanging cap. The tool is selectively inserted into and held in the hanging cap. A protrusion is moveably mounted on the tool to engage with a through hole defined in the cap to keep the tool from falling out of the hanging ca... | 04/26/2005 |
| 6725549 | Sliding sharpening device for pencil with non-circular cross section A sharpener for a carpenter's pencil that creates a profile shape desired by carpenters rather than a conical point. One end of the sharpener creates a sharpened profile on the narrow side of the pencil, while the opposite end of the sharpener creates a sharpened pr... | 04/27/2004 |
| 6571480 | Pencil sharpener for carpenter's pencil A hand-operable and portable pencil sharpener which is comprised of a housing having a conical cavity therein. The cavity is of circular cross-section and defines an open inlet end tapering to a narrow inner end. A collar is provided about the open inlet ... | 06/03/2003 |
| 6338198 | Pencil sharpener A pencil sharpener for sharpening carpenters pencils of the type having a generally rectangular cross-section by squeezing a base member and cover member relative to each other repeatedly while the pencil is positioned in one of two openings in the wall o... | 01/15/2002 |
| 6065514 | Compact handheld battery-operated cosmetic pencil sharpener A portable, handheld, sharpening device for sharpening a cosmetic pencil having an outer casing of hard material and an inner casing of soft wax-like cosmetic material. The device includes a plastic housing, a steel blade for removing the outer casing of ... | 05/23/2000 |
| 5894669 | Sharpener for soft core pencils A pencil sharpener for a soft core pencil includes a sharpener housing defining a guide channel adapted to receive a front region of the pencil therein and conically tapering in an insertion direction of the pencil, and a free space adjoining the guide ch... | 04/20/1999 |
| 5875555 | Crayon sharpener assembly A crayon sharpening assembly is disclosed comprising an axially rotating cartridge block (106) having an axial bore (178) for axial receipt of a crayon with a forward end of the crayon positioned within a cutting station (152). A pair of convergent sharpe... | 03/02/1999 |
| 5802948 | Method for sharpening crayons A crayon sharpening assembly is disclosed comprising an axially rotating cartridge block (106) having an axial bore (178) for axial receipt of a crayon with a forward end of the crayon positioned within a cutting station (152). A pair of convergent sharpe... | 09/08/1998 |
| 5699620 | Apparatus for sharpening crayon marking instruments to form an improved arcuate safety marking tip A device for sharpening crayons and other soft marking instruments normally made from waxes, plastics and other soft material which includes a protective ring defining an aperture with a plurality of support members extending longitudinally therefrom. A p... | 12/23/1997 |
| 5167071 | Cosmetic pencil sharpener A sharpener for lead pencils, colored pencils, cosmetic pencils and the like with an essentially cuboid shaped sharpener housing, in which the longitudinal lateral sides of the sharpener housing are provided with complementary protrusions or recesses that... | 12/01/1992 |
| 4918816 | Pencil sharpener The present invention relates to a pencil sharpener designed to be used in sharpening pencils having an elongated cross section such as, for example, elliptical or rectangular. The sharpener includes four cutters which are disposed in the casing thereof i... | 04/24/1990 |
| 4759129 | Pencil sharpener Disclosed herein is an improved pencil sharpener specifically designed to sharpen the end of a carpenter's pencil. As is well known, a carpenter's pencil has a substantially rectangular cross-section and as such can not be sharpened in a conventional penc... | 07/26/1988 |
| 4744150 | Container for tape ruler with manual pencil sharpener A combined tape measuring device and pencil sharpener disposed in a single container having tape measuring means retractably mounted therein, a slot to permit movement of said tape measuring means in and out of said container, and shaped and sized opening... | 05/17/1988 |
