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Class Information
Number: 30/453
Name: Cutlery > Static pencil sharpener > With debris receiver
Description: Device including means, other than mere work holder or work guide structure specifically designed to receive and retain particles of material removed from the workpiece.










Sub-classes under this class:

Class Number Class Name Patents
30/454 Conical or cylindrical work guide 47
30/455 Surface type cutter 8


Patents under this class:

Patent Number Title Of Patent Date Issued
8225516 Pencil sharpening device Jul. 24, 2012
7934319 Pencil-sharpening device May. 3, 2011
7743515 Pencil sharpening device Jun. 29, 2010
7654179 Crayon sharpener Feb. 2, 2010
6944960 Crayon sharpener Sep. 20, 2005
6887006 Crayons with associated carrying case May. 3, 2005
6886614 Pencil sharpener May. 3, 2005
6709266 Candle holder and a method of securing a candle Mar. 23, 2004
6634108 Sharpener for sharpening a soft-core pencil Oct. 21, 2003
6473976 Sharpener for a pencil and being powered by a rotary tool Nov. 5, 2002
6457498 Cosmetic eye and lip pencil sharpener Oct. 1, 2002
6397479 Sharpener, in particular for soft-core pencils Jun. 4, 2002
6338198 Pencil sharpener Jan. 15, 2002
6334256 Sharpener unit Jan. 1, 2002
5699620 Apparatus for sharpening crayon marking instruments to form an improved arcuate safety marking tip Dec. 23, 1997
5599123 Combined pencil sharpener and pencil stowage apparatus Feb. 4, 1997
5379817 Sharpener for a soft element pencil Jan. 10, 1995
5167071 Cosmetic pencil sharpener Dec. 1, 1992
5077903 Carpenter's pencil sharpener Jan. 7, 1992
5002182 Crayon holder and container Mar. 26, 1991
4991299 Universal crayon sharpener Feb. 12, 1991
4918816 Pencil sharpener Apr. 24, 1990
4761885 Sharpener for compass leads and pencil leads Aug. 9, 1988
4759129 Pencil sharpener Jul. 26, 1988
4741105 Combined envelope opener and pencil sharpener unit May. 3, 1988
4601316 Electric pencil sharpener Jul. 22, 1986











 
 
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