Electrical heater

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Description

FIG. 1 is a front left perspective view of an electrical heater showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D184458 February 1959 Reinecke
2475113 July 1949 Stiles
2498157 February 1950 Farr
3681567 August 1972 Boecher
4088870 May 9, 1978 Warner
4398082 August 9, 1983 Johannsen
4737616 April 12, 1988 Wen-Ying
Foreign Patent Documents
254743 October 1964 AUX
58803 March 1967 DEX
Other references
  • Markel Electric Products, Inc. Adv. Brochure, p. 3, Hi-Wattage Heetaires, right middle of page.
Patent History
Patent number: D313069
Type: Grant
Filed: Dec 22, 1988
Date of Patent: Dec 18, 1990
Assignee: Rival Manufacturing Company (Kansas City, MO)
Inventor: David D. McCormick (Shawnee Mission, KS)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Willian Brinks Olds Hofer Gilson & Lione
Application Number: 7/290,083
Classifications
Current U.S. Class: Heating Element Protected By Grille, Grid, Etc. (D23/335)