Lighting – Light source – Electric light bulb
Patent
1981-12-23
1983-12-27
Lucas, Susan J.
Lighting
Light source
Electric light bulb
D26 26, D2604
Patent
active
D02720019
REFERENCES:
patent: 1621360 (1927-03-01), Falge
patent: 3462632 (1969-08-01), Russi
patent: 4173730 (1979-11-01), Young et al.
patent: 4187446 (1980-02-01), Gross et al.
Official Gazette issued on 10/15/80, Swedish Design Application Nos. 79-1570, 79-1571,79-1572.
Official Gazette issued on 3/18/81, Swedish Design Application No. 80-1424.
Official Gazette issued on 12/1/62, Japanese Design Registration No. 211701, registered on 4/10/62.
Official Gazette issued on 5/15/73, U.S. Pat. No. Des. 226,925.
Lucas Susan J.
Tokyo Shibaura Denki Kabushiki Kaisha
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