Radiant heater

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Description

FIG. 1 is a top, front and left side perspective view of a radiant heater showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D111000 August 1938 Knox et al.
D141834 July 1945 Maxson, Jr.
D267424 December 28, 1982 Boldt et al.
D281811 December 17, 1985 Horst, Jr.
D290391 June 16, 1987 Nakamura
D325251 April 7, 1992 Schindler et al.
Other references
  • Advertisement published by Patton Electric Company, Inc., New Haven, Ind., titled "Patton . . . Wide Angle" published at least as early as Sep. 1991, on sale several months prior to Sep. 1991.
Patent History
Patent number: D329692
Type: Grant
Filed: Dec 19, 1991
Date of Patent: Sep 22, 1992
Assignee: The W. B. Marvin Manufacturing Company (Urbana, OH)
Inventors: David B. Chaney (Powell, OH), Barry W. Smith (Dublin, OH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Roger S. Dybvig
Application Number: 7/812,969
Classifications
Current U.S. Class: Quartz Type (D23/340)