General service incandescent lamp with improved efficiency

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp

Patent

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Details

313580, 313578, H01K 134

Patent

active

045243026

ABSTRACT:
A high efficiency general service incandescent lamp is disclosed. The disclosed improved general service incandescent lamp has an outer and an inner envelope. The inner envelope has a relatively small housing containing a halogen gas and a relatively high pressure efficient fill-gas and in which a low voltage filament is spatially disposed therein.

REFERENCES:
patent: 3515930 (1970-06-01), Walsh et al.
patent: 4463277 (1984-07-01), DeCaro

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