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
1177324 March 1916 Hewitt
4173730 November 6, 1979 Young et al.
4187446 February 5, 1980 Gross et al.
Foreign Patent Documents
525348 June 1921 FRX
Other references
  • Toshiba Review, No. 129, Sep.-Oct. 1980 p. 6, FIG. 3-Fluorescent Lamp. Official Gazette issued on 2/28/61, U.S. Pat. No. Des. 189,822. Official Gazette issued on 10/20/70, U.S. Pat. Nos. Des. 218,975, 218,976. Official Gazette issued on 12/22/70, U.S. Pat. No. Des. 219,516. Official Gazette issued on 10/15/80, Swedish Pat. Application No. 79-1572.
Patent History
Patent number: D272000
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: 6/333,894
Classifications
Current U.S. Class: Fluorescent (D26/3); Receptacle Mount, I.e., "night Light" Or Screw-in Type (D26/26)
International Classification: D2604;