Electrical connectors – With vitreous-type envelope – Plug having spaced – longitudinally engaging – prong-like...
Reexamination Certificate
2008-02-15
2009-10-20
Abrams, Neil (Department: 2839)
Electrical connectors
With vitreous-type envelope
Plug having spaced, longitudinally engaging, prong-like...
C439S236000, C439S680000, C439S732000, C439S924100, C439S934000
Reexamination Certificate
active
07604505
ABSTRACT:
A lamp base may include a cylindrical body having an end surface, a first step portion and a second step portion, a first upper pin connector provided on the first step portion, a second upper pin connector provided on the second step portion, and a first and second lower pin connector provided on the end surface. Interfitting keys and recesses may also be used to insure that a lamp base is only coupled to an appropriate socket. Adapter blocks may be used to apply such recesses to an existing lamp.
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Abrams Neil
Cantor & Colburn LLP
Light Sources, Inc.
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