Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1997-01-09
1998-07-14
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
1004
Patent
active
D03960137
REFERENCES:
patent: D300809 (1989-04-01), Schwartz
patent: D312583 (1990-12-01), Kopp
Applicant's Exhibit A, GB Electrical, Inc. Catalog #AD-240R, dated 1992, p. 130; showing GRT-500 Receptacle Tester and Circuit Analyzer and GFI-501 Ground Fault Indicator Tester.
Applicant's Exhibit B, A.W. Sperry Instruments Inc., Model CS-500A Circuit Breaker Finder, admitted prior art.
Applicant's Exhibit C, Specialized Products Company Catalog, p. 145, showing Ideal E-Z Check.RTM. Receptacle Analyzers, admitted prior art.
Applicant's Exhibit D, GSA Systems, Inc., two pages showing plug-in housings, dated Dec. 1994, admitted prior art.
Applicant's Exhibit E, two catalog pages showing ST-1, ST-1D, and ST-1THD circuit analyzers, admitted prior art.
Applied Power Inc.
Davis Antoine Duval
LandOfFree
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