Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2002-12-16
2004-08-03
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
D0493737
CLAIM:
The ornamental design of a plumb vial viewing feature for a level, as shown and described.
REFERENCES:
patent: D280302 (1985-08-01), Clark
patent: D294334 (1988-02-01), Handler et al.
patent: 4912854 (1990-04-01), Weadon
patent: 5033199 (1991-07-01), Wilcox et al.
Professional I-Beam 150 Series, www.kapro.com 2 pages, Jan. 31, 2003.
Boyle Fredrickson Newholm Stein & Gratz S.C.
Davis Antoine Duval
Johnson Level & Tool Mfg. Co. Inc.
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