Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2006-02-14
2006-02-14
Davis, Antoine D. (Department: 2915)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
D0514961
CLAIM:
The ornamental design for a keyhold cross-section level, as shown and described.
REFERENCES:
patent: 4663856 (1987-05-01), Hall et al.
patent: D385807 (1997-11-01), Gruetzmacher
Davis Antoine D.
Empire Level Mfg. Co.
Jansson & Shupe & Munger Ltd.
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