Illumination – Light source and modifier – Ionized gas or vapor light source
Reexamination Certificate
2005-11-18
2008-09-30
Tso, Laura (Department: 2875)
Illumination
Light source and modifier
Ionized gas or vapor light source
C362S377000, C362S378000
Reexamination Certificate
active
07429119
ABSTRACT:
A protective device for a lamp, especially a high-pressure xenon discharge lamp or high-pressure mercury vapor discharge lamp, includes a pressurized lamp vessel and a protective envelope which surrounds the lamps in at least some sections, can be fixed to the lamp by two closures that engage around lamp shafts, and is made of a gas-permeable fleece.
REFERENCES:
patent: 4066888 (1978-01-01), Gassmann et al.
patent: 4878159 (1989-10-01), Blaisdell et al.
patent: 5386355 (1995-01-01), Acks
patent: 5388034 (1995-02-01), Allen et al.
patent: 5542535 (1996-08-01), Dalton et al.
patent: 6652127 (2003-11-01), Tarabula
patent: 2004/0095770 (2004-05-01), Meyer et al.
patent: 2004/0188298 (2004-09-01), Shatford et al.
Gedack Horst
Mehr Thomas
Meyer William E.
Patent-Treuhand-Gesellschaft für elektrische Glühlampe
Tso Laura
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