Abrasive stone

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

Design Patent

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Design Patent

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D0486052

CLAIM:
The ornamental design for an abrasive stone, as shown and described.

REFERENCES:
patent: 3882642 (1975-05-01), Sykes
patent: 4170343 (1979-10-01), Longbrake
patent: D260356 (1981-08-01), Hall
patent: 4558540 (1985-12-01), Collins
patent: D306816 (1990-03-01), Hudnall et al.
patent: D375441 (1996-11-01), McCoy et al.
patent: 6151991 (2000-11-01), Seville
EZE Lap Diamond Products Brochure, 1995, Font cover, Diamond sharpening products.*
Smokey Mountain Knife Works Catalog, Jan. 2002, p. 56, DMT Diamond knife sharpeners.

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