Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2003-10-22
2004-08-31
Lieberman, Lucy (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
D0495263
CLAIM:
The ornamental design for a leveling device, as shown.
REFERENCES:
patent: 1822740 (1931-09-01), Gallasch et al.
patent: 5075977 (1991-12-01), Rando
patent: 5182863 (1993-02-01), Rando
patent: D334348 (1993-03-01), Doyle
patent: 5594993 (1997-01-01), Tager et al.
Cole Parmer Industrial Advantage Catalog, 2001/2002, p. 546, item C, Digital laser level with built-in angle adapter.
Ching Lin Industrial Co., Ltd.
Kamrath Alan D.
Lieberman Lucy
Nikolai & Mersereau , P.A.
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