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FIG. 1 is a perspective view of a heater showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevational view thereof, taken from the right of FIG. 1; and

FIG. 7 is a side elevational view thereof, taken from the left of FIG. 1.

Referenced Cited
U.S. Patent Documents
D155243 September 1949 Sundberg
D199008 August 1964 Marshall
D203785 February 1966 Meisner
D227571 July 1973 Cook
3702918 November 1972 Moller
3846617 November 1974 Glucksman
Other references
  • Washington Post, Oct. 24, 1973, p. A-14, Flowtron Heater/Cooler.
Patent History
Patent number: D246254
Type: Grant
Filed: Aug 8, 1975
Date of Patent: Nov 1, 1977
Assignee: Firma Elektro-Warme Technik (Nurnberg)
Inventor: Hans-Ulrich Schade (Pfuhl)
Primary Examiner: James R. Largen
Law Firm: Bacon & Thomas
Application Number: 5/603,180
Current U.S. Class: D23/122
International Classification: D2303;