Safety washer

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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D0483660

CLAIM:
The ornamental design for a safety washer, as shown and described.

REFERENCES:
patent: 3422721 (1969-01-01), Yonkers
patent: 3588133 (1971-06-01), Caserta
patent: 3606357 (1971-09-01), Yonkers
patent: D269852 (1983-07-01), Frieberg
patent: 4788807 (1988-12-01), Whitman
patent: 5082412 (1992-01-01), Thomas
patent: 5199838 (1993-04-01), Luke et al.
patent: 5904459 (1999-05-01), Prathap et al.
patent: D427549 (2000-07-01), White
patent: 6422796 (2002-07-01), Tomaini

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