Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Design Patent
2003-02-12
2004-05-25
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
Design Patent
active
D0490331
CLAIM:
The ornamental design for a volt-ammeter, as shown and described.
REFERENCES:
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patent: D399150 (1998-10-01), Fisher et al.
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patent: D422229 (2000-04-01), Kuramoto
patent: D440892 (2000-04-01), Kuramoto
patent: D434683 (2000-12-01), Chang
patent: D445350 (2001-07-01), Bystrom et al.
patent: D446734 (2001-08-01), Kuramoto
Davis Antoine Duval
Kyoritsu Electrical Instruments Works, Ltd.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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