Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2000-11-07
2002-07-23
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
D0460700
CLAIM:
The ornamental design for a square level, as shown and described.
REFERENCES:
patent: 2770889 (1956-11-01), Allegretti et al.
patent: 4910876 (1990-03-01), Channell
Davis Antoine Duval
Silber Siegmar
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