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Class Information
Number: 451/370
Name: Abrading > Work holder > Clamp > Edge tool > Gauging device > Portable
Description: Clamping edge tool holder adapted to be held in the hand and applied thereby to an abrading surface.

Sub-classes under this class:

Class Number Class Name Patents
451/371 Blade sharpener 55

Patents under this class:

Patent Number Title Of Patent Date Issued
8430720 Apparatus for precision steeling/conditioning of knife edges Apr. 30, 2013
7549910 Blade sharpening holder Jun. 23, 2009
7335093 Blade sharpening holder Feb. 26, 2008
7056195 Apparatus and method for sharpening tool blades Jun. 6, 2006
6447384 Jig for grinding sharp-edged tools Sep. 10, 2002
6371835 Off-line honing of slicer blades Apr. 16, 2002
6227958 Knife and sharpening holder May. 8, 2001
5810649 Tool guide for sharpening woodcarving and tools Sep. 22, 1998
5679065 Wafer carrier having carrier ring adapted for uniform chemical-mechanical planarization of semiconductor wafers Oct. 21, 1997
5607344 Apparatus for gripping and holding glass during a glass grinding process Mar. 4, 1997
4669227 Angle plate apparatus with precisely adjustable workpiece holder Jun. 2, 1987
4660330 Bevel tool Apr. 28, 1987
4486982 Foldable holding device Dec. 11, 1984
4272926 Face finishing tool for fiber optic communication cable Jun. 16, 1981
3950899 Blade holder for use when sharpening Apr. 20, 1976

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