Ruler with letter opener and magnifier

Details Ruler with letter opener and magnifier Ruler with letter opener and magnifier

2001-01-22

2002-05-14

Veynar, Caron D. (Department: 2913)

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

CD10S062000

Design Patent

active

D0457047

CLAIM:
The ornamental design for ruler with letter opener and magnifier, as shown and described.

REFERENCES:
patent: D25261 (1896-03-01), Wilson
patent: 2307892 (1943-01-01), Lowther
patent: D177697 (1956-05-01), Salm et al.
patent: D244090 (1977-04-01), West
patent: D261612 (1981-11-01), Henkels
patent: D317575 (1991-06-01), Ramsey
patent: D329585 (1992-09-01), Sawatsky et al.
patent: D334702 (1993-04-01), Godsey
Photograph of a Magnifier Ruler Combo, manufactured by Ultra Optix; no visible patent markings; purchased at OfficeMax Summer 2001.

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