Heater insulator

- Hart & Cooley, Inc.
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Description

FIG. 1 is a perspective view of a heater insulator which embodies my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top view thereof; the bottom view being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D248943 August 15, 1978 King
1695801 December 1928 Dibble
3846619 November 1974 Wightman et al.
3890487 June 1975 Wightman et al.
3992609 November 16, 1976 Alexander
4250399 February 10, 1981 King
4268742 May 19, 1981 Cottrell et al.
4363959 December 14, 1982 Cottrell et al.
4458141 July 3, 1984 Howard et al.
4472624 September 18, 1984 Janning
4831017 May 16, 1989 Sherrill
Foreign Patent Documents
214058 March 1924 GBX
1003610 September 1965 GBX
Patent History
Patent number: D367844
Type: Grant
Filed: May 4, 1995
Date of Patent: Mar 12, 1996
Assignee: Hart & Cooley, Inc. (Holland, MI)
Inventor: Roger P. Engelke (Huntsville, AL)
Primary Examiner: Joel Sincavage
Law Firm: Varnum, Riddering, Schmidt & Howlett
Application Number: 0/38,360
Classifications
Current U.S. Class: Symmetrical On Two Axes (9) (D13/131)