Lamp bulb with two filaments for Christmas tree light

Details Lamp bulb with two filaments for Christmas tree light Lamp bulb with two filaments for Christmas tree light

1997-05-19

1999-03-23

Patel, Vip

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313243, 313316, 313443, H01J 102

Patent

active

058864580

ABSTRACT:
A lamp bulb for a Christmas tree light set including two filaments connected between two lead-in wires thereof at different elevations above a mica disc.

REFERENCES:
patent: 3330984 (1967-07-01), Smith
patent: 4179637 (1979-12-01), Santora
patent: 5384510 (1995-01-01), Arnold

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