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Class Information
Number: 30/346.5
Name: Cutlery > Blades > Razor blade
Description: Device specifically adapted to be used in a razor to shave off the beard or hair.










Sub-classes under this class:

Class Number Class Name Patents
30/346.61 Apertured, notched or lugged 22
30/346.58 Composite razor blade 34
30/346.51 Cutting couple element 202
30/346.52 Having indicia 7
30/346.57 Having three or more cutting edges 30
30/346.55 Including details of cutting edge 35
30/346.53 Of specific material 55
30/346.6 Reinforces 3


Patents under this class:

Patent Number Title Of Patent Date Issued
8640344 Cutting members for shaving razors Feb. 4, 2014
8448544 Induction hardened blade May. 28, 2013
8347512 Cutting members for shaving razors Jan. 8, 2013
8322253 Method of manufacturing a utility knife blade having an induction hardened cutting edge Dec. 4, 2012
8209867 Shaving razors and cartridges Jul. 3, 2012
8061237 Manufacturing razor blades Nov. 22, 2011
8011104 Cutting members for shaving razors Sep. 6, 2011
7918027 Razor head Apr. 5, 2011
7897266 Personal grooming device having a tarnish resistant, hypoallergenic and/or antimicrobial silver alloy coating thereon Mar. 1, 2011
7882640 Razor blades and razors Feb. 8, 2011
7191523 Safety razor Mar. 20, 2007
7111401 Razor head having skin controlling means Sep. 26, 2006
7047646 Wet shaving cartridge with four blade edges May. 23, 2006
7007393 Microreplicated shaving element Mar. 7, 2006
6962000 Cutting member with dual profile tip Nov. 8, 2005
6655030 Shaving head and shaver provided with such a shaving head Dec. 2, 2003
6276061 Multi-blade shaving apparatus Aug. 21, 2001
6216349 Safety razors Apr. 17, 2001
6035537 Razor cartridge with metal clip retaining blades Mar. 14, 2000
5985459 Method of treating razor blade cutting edges Nov. 16, 1999
5802720 Shaving cloth Sep. 8, 1998
5715606 Razor blade Feb. 10, 1998
5674234 Flexible surgical razor Oct. 7, 1997
5628759 Flexible surgical razor May. 13, 1997
5624451 Flexible blade for removing skin lesions Apr. 29, 1997
5524347 Movable blade shaving cartridge Jun. 11, 1996
5524346 Shaving cartridge for wet razors Jun. 11, 1996
5501014 Safety razor cartridge with pass-through apertures and process of making Mar. 26, 1996
5263256 Method of treating razor blade cutting edges Nov. 23, 1993
5090124 Razor blade unit Feb. 25, 1992
4979298 Shaving system Dec. 25, 1990
4979300 Cutting and scraping tool using razor blades Dec. 25, 1990
4943295 Surgical cutting tool Jul. 24, 1990
4932122 Safety razor blade assembly Jun. 12, 1990
4860452 Single edge razor blade with integral back Aug. 29, 1989
4858323 Integrally backed single-edge razor blade Aug. 22, 1989
4807360 Shaving device Feb. 28, 1989
4806430 Film-forming silicone compositions having lubricating properties Feb. 21, 1989
4729168 Two-edged multi-purpose artistic technical knife Mar. 8, 1988
4720918 Razor blades Jan. 26, 1988
4720917 Flexible blade contour razor Jan. 26, 1988
4702004 Glass razor blade and handle Oct. 27, 1987
4459744 Razor blade apparatus and method Jul. 17, 1984
4413410 Electric shaver with rotary blade Nov. 8, 1983
4389773 Shaving implement Jun. 28, 1983
4201599 Restoration and protection of cutting surfaces May. 6, 1980
4122602 Processes for treating cutting edges Oct. 31, 1978
4122603 Processes for treating cutting edges Oct. 31, 1978











 
 
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