Electric lamp and discharge devices – With envelope – Having base and connector
Reexamination Certificate
2004-07-30
2008-10-21
Patel, Ashok (Department: 2889)
Electric lamp and discharge devices
With envelope
Having base and connector
C313S318120, C313S318030, C313S113000
Reexamination Certificate
active
07439662
ABSTRACT:
Electric lamp with a base at one end, having an inner vessel surrounded by an outer jacket, a base with electric connections supporting the inner vessel and the outer jacket, having the following features:a) the base has a base insulator with a central opening with a surrounding collar in which the inner vessel is held without cement;b) the base insulator has a circular, radially projecting segment with an associated upper and lower plateau with reference to the base;c) the outer jacket has a circular opening on the base side with a radially projecting edge that has an upper and lower contact surface with reference to the base, the lower contact surface of the edge being compatible with the upper plateau of the circular, radially projecting segment at the base insulator; andd) the outer jacket is fastened on the base by a cementless mechanical holding mechanism.
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Arndt Joachim
Fidler Uwe
Gräf Jürgen
Herb Markus
Schlögl Anton
Meyer William E.
Patel Ashok
Patent - Trewhand - Gesellschaft für elektrische Glühl
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