Three phase light bulb

Details Three phase light bulb Three phase light bulb

2006-05-02

2006-05-02

Guharay, Karabi (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

C313S272000, C313S318010

Reexamination Certificate

active

07038380

ABSTRACT:
A light bulb includes a seat having a first engaging point and a first contact point respectively formed on a bottom face of the seat to correspond to a second engaging point and a second contact point of a light bulb socket. A first end of the first wire engages with the first engaging point of the seat and a second end thereof engages with a first end of a first filament received in the second enclosure. A first end of the second wire engages with the second engaging point of the seat and a second end thereof engages with a first end of a second filament received in the third enclosure. The third wire has a first end engaging with a side wall of the seat and a second end engaging with both second ends of the first and second filaments.

REFERENCES:
patent: 2100195 (1937-11-01), Lowry
patent: 4654560 (1987-03-01), Cote
patent: 4912364 (1990-03-01), Hollo et al.
patent: 6919684 (2005-07-01), Brandes

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