Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2007-10-30
2007-10-30
Davis, Antoinde D. (Department: 2915)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
29272572
CLAIM:
The ornamental design for a grade leveling device for placement atop a ground stake, as shown and described.
REFERENCES:
patent: 3143805 (1964-08-01), Clausen
patent: 4443954 (1984-04-01), Clark
patent: 6508006 (2003-01-01), Black
Davis Antoinde D.
Rainer Norman B.
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