Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Reexamination Certificate
2005-12-27
2005-12-27
Ta, Tho D. (Department: 2833)
Electrical connectors
With insulation other than conductor sheath
Plural-contact coupling part
Reexamination Certificate
active
06979233
ABSTRACT:
A dual voltage connector having keyway portions enabling protection of the connector against unintentionally using it with a long voltage. A higher voltage version of the connector, which supplies the voltage, is protected. In a female version of the connector, a plug is placed in the higher voltage portion of the connector.
REFERENCES:
patent: 3120985 (1964-02-01), Hubbell
patent: 4386333 (1983-05-01), Dillan
patent: 5178561 (1993-01-01), Lindeberg et al.
patent: 5254019 (1993-10-01), Noschese
patent: 6394856 (2002-05-01), Wertz
Tien Peter
Waters Colin
Fish & Richardson P.C.
Ta Tho D.
TMB
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