Ruler

Details Ruler Ruler

2003-10-27

2004-08-03

Lieberman, Lucy (Department: 2913)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0493735

CLAIM:
The ornamental design for a ruler, substantially as shown and described.

REFERENCES:
patent: 854325 (1907-05-01), Belcher
patent: D158145 (1950-04-01), Staas
patent: 2543476 (1951-02-01), Southern
patent: D169226 (1953-03-01), Sandberg
patent: D187387 (1960-03-01), Harley
patent: 4951397 (1990-08-01), Durio

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