Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 30/455
Name: Cutlery > Static pencil sharpener > With debris receiver > Surface type cutter
Description: Device wherein the cutter is in the form of a surface (e.g., planar surface) which comprises a multiplicity of cutting edges or points over which the end portion of the workpiece is drawn for the shaping operation.










Patents under this class:

Patent Number Title Of Patent Date Issued
7229038 Pastel stick sharpener Jun. 12, 2007
6427343 Pencil sharpener having a pencil limiting device Aug. 6, 2002
6301791 Sharpener for soft-core pencils Oct. 16, 2001
4991299 Universal crayon sharpener Feb. 12, 1991
4866810 Apparatus for cleaning the nock end of an archery arrow Sep. 19, 1989
4406315 Pencil sharpener Sep. 27, 1983
4237945 Apparatus and method for abrading pencil lead Dec. 9, 1980
3991798 Disposable device for sharpening leads or the like Nov. 16, 1976











 
 
  Recently Added Patents
Power supply having a charge pump circuit
Vaporizer for sterilization of plastic containers
Fluid pouring type actuator
Injection mold
Apparatus and method of processing polynomials
Apparatus for forming hardback book cover
Routing of contacts based on predicted escalation time
  Randomly Featured Patents
Bagger
Arrangement for controlling congestion in an SS7 signaling node based on packet classification
Cord reel with electrical outlets
Channel communication array queues in hardware system area
Stack SiGe for short channel improvement
Moving picture encoding method and decoding method
Fertilizer mixer and dispenser
System and method for compressing and decompressing data in real time
Raster image lossless compression and decompression with dynamic color lookup and two dimensional area encoding
Process for producing melamine formaldehyde resins using impure melamine