Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 144/28.3
Name: Woodworking > Special-work machine > Pencil sharpening > Movable tool
Description: Machine including means to move, or to guide the movement of, the tool relative to the workpiece and to the tool-retaining means, for the material-removing operation.

Sub-classes under this class:

Class Number Class Name Patents
144/28.9 Rotary work holder or guide 5
144/28.6 Rotatable or revolvable 17
144/28.4 Work actuated tool drive 9
144/28.5 Work controlled switch for tool drive 22

Patents under this class:

Patent Number Title Of Patent Date Issued
8205648 Electronic pencil sharpener Jun. 26, 2012
6237656 Pencil sharpener bit May. 29, 2001

  Recently Added Patents
Apparatus for transmitting and receiving data in a wireless communication system and method thereof
Wiring structure in a semiconductor device, method of forming the wiring structure, semiconductor device including the wiring structure and method of manufacturing the semiconductor device
Minimizing mismatch during compensation
Modular utility rack
Nitrogen-doped carbon-supported cobalt-iron oxygen reduction catalyst
Systems and methods for providing a collaboration place interface including data that is persistent after a client is longer in the collaboration place among a plurality of clients
Face recognition through face building from two or more partial face images from the same face
  Randomly Featured Patents
Dental post system
Multilamp flashlamp article having combustible member therein
Automatic telephone answering and recording apparatus
Thick film, multi-layer, ceramic interconnected circuit board
Washer game with an upright tube
Plastic radiator for transverse-flow cooling systems of internal combustion engines
Lubricating oil composition for internal combustion engines
Push spiker
Spirally wound flow control valve
Electrical terminal connector