Resources Contact Us Home
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
Backside structure and methods for BSI image sensors
Method of making a CIG target by spray forming
Method of synchronization for low power idle
Cosmetic/dermatological compositions comprising naphthoic acid compounds and polyurethane polymers
Particulate filter with hydrogen sulphide block function
Mass spectrometry method
Dynamically reconfigurable systolic array accelorators
  Randomly Featured Patents
Exercise step
Methods and systems of receiving data payload of RFID tags
Exchangeable sleeve bearing for a vegetation cutter apparatus
Catalytic converter configuration and exhaust gas system with a catalytic converter configuration
Method and apparatus for identifying, cutting and processing documents
Rubber bushing
Developer container
Process for producing electronic circuit
Infectious cDNA clones of porcine reproductive and respiratory syndrome virus and expression vectors thereof
Warnings for logical-server target hosts