Illumination unit

Details Illumination unit Illumination unit

2005-09-13

2005-09-13

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

C313S017000, C362S362000, C362S376000, C362S377000

Reexamination Certificate

active

06943486

ABSTRACT:
The invention relates to an illumination unit having an electric lamp which has a lamp vessel having a sealed-off end in the form of a glass base, and having an envelope which at least partially surrounds the lamp vessel and rests on the lamp vessel such that the glass base protrudes from the envelope.

REFERENCES:
patent: 1042565 (1912-10-01), Kroner
patent: 1637864 (1927-08-01), Kolster
patent: 3602759 (1971-08-01), Evans
patent: 4703227 (1987-10-01), Takeda et al.
patent: 4949003 (1990-08-01), Cox et al.
patent: 6406167 (2002-06-01), Bock
patent: 299 05 836 (1999-09-01), None

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