Radiant heater

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Information

Patent Grant
D329692

References
Source

Patent Number
D329,692
Date Filed
Thursday, December 19, 1991
33 years ago
Date Issued
Tuesday, September 22, 1992
32 years ago

Inventors
- David B. Chaney
- Barry W. Smith
Original Assignees
- The W. B. Marvin Manufacturing Company
Examiners
- Burke; Wallace R.
- Lichtenstein; Lisa
Agents
- Dybvig; Roger S.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 335
- D23 336
- D23 340
- D23 342
- D23 378
- D23 381
- D23 382
- 392 360
- 392 365
- 392 423
- 392 424
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a radiant heater, as shown.

US Referenced Citations (6)

Number	Name	Date	Kind
D111000	Knox et al.	Aug 1938
D141834	Maxson, Jr.	Jul 1945
D267424	Boldt et al.	Dec 1982
D281811	Horst, Jr.	Dec 1985
D290391	Nakamura	Jun 1987
D325251	Schindler et al.	Apr 1992

Non-Patent Literature Citations (1)

Entry
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.