Electricity: circuit makers and breakers – Interlocking – Between plural switches
Reexamination Certificate
2002-12-31
2004-02-10
Friedhofer, Michael (Department: 2832)
Electricity: circuit makers and breakers
Interlocking
Between plural switches
C200S293000
Reexamination Certificate
active
06689969
ABSTRACT:
CROSS-REFERNCE TO RELATED PATENTS
Not applicable
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not applicable
FIELD OF THE INVENTION
The present invention relates to electrical switches, and particularly to a mechanism and enclosure for a double throw switch.
REFERENCES:
patent: 4760278 (1988-07-01), Thomson
patent: 5397868 (1995-03-01), Smith et al.
patent: 5777283 (1998-07-01), Greer
patent: 6320143 (2001-11-01), Greer
Abroy Hamid S.
Joines Henry B.
Friedhofer Michael
Golden Larry I.
Shrout Larry T.
Square D Company
Stacey David R.
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