Electric incandescent lamp with support structure for a planar f

Details Electric incandescent lamp with support structure for a planar f Electric incandescent lamp with support structure for a planar f

1974-12-12

1976-10-12

Smith, Alfred E.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For filament

313222, 313274, 313277, 313315, H01K 124

Patent

active

039860671

ABSTRACT:
An electric incandescent lamp and method of manufacturing same in which two filaments stretched in frames are arranged. The frames are coupled together by a brace having a central portion which is incorporated in the exhaust tube seal in the upper wall of the lamp envelope.

REFERENCES:
patent: 480954 (1892-08-01), Melick
patent: 2006820 (1935-07-01), Adams et al.
patent: 2791713 (1957-05-01), Dean
patent: 3497753 (1970-02-01), Huston, Jr.
patent: 3555338 (1971-01-01), Scoledge et al.
patent: 3626236 (1971-12-01), Robinson et al.
patent: 3777207 (1974-12-01), Noteteirs et al.

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