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Class Information
Number: 30/454
Name: Cutlery > Static pencil sharpener > With debris receiver > Conical or cylindrical work guide
Description: Device wherein the work holder of work guide is cylindrical or conical in shape and completely surrounds the end or the section adjacent the end of the workpiece to be sharpened.










Patents under this class:

Patent Number Title Of Patent Date Issued
7908749 Sharpener for stick-shaped cosmetic material Mar. 22, 2011
7832108 Pencil sharpener cap Nov. 16, 2010
7654179 Crayon sharpener Feb. 2, 2010
7389588 Semi-automatic pencil sharpener Jun. 24, 2008
7278214 Electric pencil sharpener Oct. 9, 2007
7225547 Pencil sharpener Jun. 5, 2007
7143516 Pencil sharpener cap Dec. 5, 2006
7036231 Sharpener for an oval pencil May. 2, 2006
6944960 Crayon sharpener Sep. 20, 2005
6883697 Office tool assembly Apr. 26, 2005
6799374 Belt wearable pencil sharpener Oct. 5, 2004
6709266 Candle holder and a method of securing a candle Mar. 23, 2004
6634108 Sharpener for sharpening a soft-core pencil Oct. 21, 2003
6530153 Cosmetic pencil sharpener Mar. 11, 2003
6457498 Cosmetic eye and lip pencil sharpener Oct. 1, 2002
6427343 Pencil sharpener having a pencil limiting device Aug. 6, 2002
6397479 Sharpener, in particular for soft-core pencils Jun. 4, 2002
6381856 Hand-held sharpener as a container-type sharpener May. 7, 2002
6334256 Sharpener unit Jan. 1, 2002
6301791 Sharpener for soft-core pencils Oct. 16, 2001
6286218 Sharpener, in particular for soft-core pencils Sep. 11, 2001
6279237 Sharpener Aug. 28, 2001
6065514 Compact handheld battery-operated cosmetic pencil sharpener May. 23, 2000
6021891 Pencil box with different size sharpeners Feb. 8, 2000
5987759 Pencil sharpener Nov. 23, 1999
5894669 Sharpener for soft core pencils Apr. 20, 1999
5875555 Crayon sharpener assembly Mar. 2, 1999
5845406 Soft core pencil sharpener including cleaning shaper Dec. 8, 1998
5802948 Method for sharpening crayons Sep. 8, 1998
5774995 Candle sharpening system Jul. 7, 1998
5647138 Cap sharpener for clutch-type pencil Jul. 15, 1997
5394613 Spring-driven pencil sharpener Mar. 7, 1995
5379817 Sharpener for a soft element pencil Jan. 10, 1995
5205664 Lead-auto-sharpened propelling pencil and the making process thereof Apr. 27, 1993
5046876 Safety tipped pencil and sharpener therefor Sep. 10, 1991
4991299 Universal crayon sharpener Feb. 12, 1991
4934057 Multi-blade pencil-core sharpener Jun. 19, 1990
4866810 Apparatus for cleaning the nock end of an archery arrow Sep. 19, 1989
4593468 Convertible note pad and pencil sharpener Jun. 10, 1986
4485862 Pencil sharpener Dec. 4, 1984
4406315 Pencil sharpener Sep. 27, 1983
4402354 Sharpener for cosmetic pencils Sep. 6, 1983
4281698 Pencil sharpener Aug. 4, 1981
4248283 Cosmetic pencil sharpener Feb. 3, 1981
4158912 Candle diameter reducer Jun. 26, 1979
4124048 Lead sharpener Nov. 7, 1978
3952784 Pencil pointer Apr. 27, 1976











 
 
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