Utility heater

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is an end elevational view, the opposite end being a mirror image thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
2500399 March 1950 Broome
2873343 February 1959 Collopy
3046676 July 1962 Hermann et al.
3309500 March 1967 Reynolds
3394243 July 1968 Lee
4506138 March 19, 1985 Bennett et al.
Foreign Patent Documents
705522 April 1965 CAX
830048 December 1969 CAX
Patent History
Patent number: D293711
Type: Grant
Filed: Sep 17, 1984
Date of Patent: Jan 12, 1988
Assignee: Heron Cable Industries Limited (Ontario)
Inventor: Robert E. Hart (Kitchener)
Primary Examiner: Catherine E. Kemper
Law Firm: Beveridge, DeGrandi & Weilacher
Application Number: 6/651,367
Classifications
Current U.S. Class: Heating Or Cooling (D23/314)