Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Design Patent
2001-03-09
2002-03-19
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Design Patent
active
D0454509
CLAIM:
The ornamental design for a nut and bolt thread identifier device, as shown.
REFERENCES:
patent: 5131162 (1992-07-01), Miller
patent: D366843 (1996-02-01), Rosenstein
patent: 5501020 (1996-03-01), Welt
Davis Antoine Duval
Leavitt John J.
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