Compact fluorescent lamp
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Description
FIG. 1 is a perspective view of a compact fluorescent lamp showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is an elevational view looking from the right of FIG. 2;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
372313 | November 1887 | Haines |
4173730 | November 6, 1979 | Young et al. |
4187446 | February 5, 1980 | Gross et al. |
2723498 | December 1978 | DEX |
525348 | June 1921 | FRX |
- Toshiba Review, Sep.-Oct. 1980, p. 6, FIG. 3 compact fluorescent lamp. Official Gazette issued on 3/18/81, Swedish Design Application No. 80-1424. Official Gazette issued on Swedish Design Application No. 79-1570, 79-1571 ad 79-1573. Official Gazette issued on 5/15/73, U.S. Pat. No. Des. 226,925.
Patent History
Patent number: D271996
Type: Grant
Filed: Dec 23, 1981
Date of Patent: Dec 27, 1983
Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
Inventors: Masumi Nanba (Funabashi), Yoshio Kojima (Yokohama), Nobuhiro Umehara (Tokyo)
Primary Examiner: Susan J. Lucas
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Application Number: 6/333,657
Type: Grant
Filed: Dec 23, 1981
Date of Patent: Dec 27, 1983
Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
Inventors: Masumi Nanba (Funabashi), Yoshio Kojima (Yokohama), Nobuhiro Umehara (Tokyo)
Primary Examiner: Susan J. Lucas
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Application Number: 6/333,657
Classifications
Current U.S. Class:
Fluorescent (D26/3);
Receptacle Mount, I.e., "night Light" Or Screw-in Type (D26/26)
International Classification: D2604;
International Classification: D2604;