Lighting – Light source – Electric light bulb
Patent
1981-12-23
1984-07-10
Lucas, Susan J.
Lighting
Light source
Electric light bulb
D26 26
Patent
active
D02746565
REFERENCES:
patent: 4187446 (1980-02-01), Gross et al.
Lighting Design & Application, 6/1980, p. 50-North American Philips Lighting Corp. SL Lamp.
Toshiba Review, Sep.-Oct. 1980, p. 6, Compact Fluorescent Lamp (FIG. 3).
Official Gazette issued on Oct. 15, 1980 Swedish Design Application No. 79-1572.
Official Gazette issued on Feb. 28, 1961 U.S. Design Patent No. Des. 189,822.
Official Gazette issued on Dec. 1, 1962 Japanese Design Registration No. 211701 registered on Apr. 10, 1962.
Official Gazette issued on Oct. 20, 1970 U.S. Design Pat. No. Des. 218,975.
Official Gazette issued on Dec. 22, 1970 U.S. Design Pat. No. Des. 219,516.
Kojima Yoshio
Nanba Masumi
Lucas Susan J.
Tokyo Shibaura Denki Kabushiki Kaisha
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