Light bulb with glass envelope having light transmission of...

Details Light bulb with glass envelope having light transmission of... Light bulb with glass envelope having light transmission of...

2006-09-12

2006-09-12

Patel, Vip (Department: 2875)

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

C313S493000, C313S634000, C313S579000

Reexamination Certificate

active

07106002

ABSTRACT:
A light bulb that is with glass envelope having light transmission of a wavelength only up to 700 nm has an incandescent filament enclosed in a glass envelope that transmits substantially no detectable amount of light of a wave length greater than 700 nanometers.

REFERENCES:
patent: 5539628 (1996-07-01), Seib
patent: 5686786 (1997-11-01), Lang et al.
patent: 0213928 (1998-03-01), None

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