Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Household
Class Information
Number: 30/451
Name: Cutlery > Static pencil sharpener
Description: Device adapted to shape a workpiece, consisting of or including a piece of attributable marking material (pencil), by the removal of a portion of an end or edge thereof, wherein the device comprises a cutter, and a holder or guide for the workpiece in static relation to the cutter.










Sub-classes under this class:

Class Number Class Name Patents
30/457 Having conical or cylindrical work guide 44
30/452 Plural, sequentially engaged cutters 17
30/462 Surface type cutter 2
30/453 With debris receiver 26
30/456 Work piece drawn over transverse, single edge cutter 7


Patents under this class:

Patent Number Title Of Patent Date Issued
8656600 Pencil sharpener configured to work with a power drill Feb. 25, 2014
8225516 Pencil sharpening device Jul. 24, 2012
7908749 Sharpener for stick-shaped cosmetic material Mar. 22, 2011
7886395 Pencil sharpener with eraser Feb. 15, 2011
7743515 Pencil sharpening device Jun. 29, 2010
7523557 Carpenter's pencil sharpener Apr. 28, 2009
7497756 Miniature toy vehicle serviceable as eraser and pencil sharpener Mar. 3, 2009
6976314 Sharpener for soft-core pencils Dec. 20, 2005
6966117 Carpenters pencil sharpener Nov. 22, 2005
6799374 Belt wearable pencil sharpener Oct. 5, 2004
6698100 Contractor's pencil sharpener mounting device Mar. 2, 2004
6571480 Pencil sharpener for carpenter's pencil Jun. 3, 2003
6286218 Sharpener, in particular for soft-core pencils Sep. 11, 2001
6256892 Carpenter's pencil sharpener Jul. 10, 2001
5845406 Soft core pencil sharpener including cleaning shaper Dec. 8, 1998
5599123 Combined pencil sharpener and pencil stowage apparatus Feb. 4, 1997
5161587 Pencil sharpener with acoustical and lamplight indicating effect Nov. 10, 1992
5077903 Carpenter's pencil sharpener Jan. 7, 1992
5040256 Combination tape measurer and sharpener Aug. 20, 1991
5002182 Crayon holder and container Mar. 26, 1991
4961451 Sharpener for rectangular pencils Oct. 9, 1990
4761885 Sharpener for compass leads and pencil leads Aug. 9, 1988
4593468 Convertible note pad and pencil sharpener Jun. 10, 1986
4333506 Pencil sharpener Jun. 8, 1982
4255828 Battery terminal post cleaning tool Mar. 17, 1981
4231405 Pencil driven mechanical pencil sharpener Nov. 4, 1980
4081010 Pencil sharpener for non-circular section pencils Mar. 28, 1978
3980113 Pencil sharpener Sep. 14, 1976











 
 
  Recently Added Patents
Method of forming micropattern, method of forming damascene metallization, and semiconductor device and semiconductor memory device fabricated using the same
Image processing apparatus
Regenerative power storage system mounted on DC electric railway car
Disk drive increasing capacity by adjusting a servo gate during write operations
Isothermal amplification of DNA
Method of improving sensitivity and interference rejection in wireless receivers
Container
  Randomly Featured Patents
Inbred corn plant NL085B and seeds thereof
Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements
Slide-type fastener
Radial arm saw mortising adapter
Automatic, pyrotechic fire extinguisher
Image-processing apparatus for compressing binary-format image data
Computer-aided design apparatus including a three-dimensional physical quantity calculating system
Hydrodynamic fluid bearing with liquid-radial bearing and gas-thrust bearing
Expandable polypropylene interpolymer particles
Pipeline joint protector