Engine coolant heater

Latest Kim Hotstart Manufacturing Company Patents:

Description

FIG. 1 is a front perspective view of the engine coolant heater;

FIG. 2 is a front elevation view;

FIG. 3 is a side elevation view, the opposite side being a mirror image;

FIG. 4 is a rear elevation view;

FIG. 5 is a top view; and,

FIG. 6 is a bottom view.

Referenced Cited
U.S. Patent Documents
D51858 March 1918 Haas
D130652 December 1941 Heath
D287997 January 27, 1987 Honma
D294581 March 8, 1988 Storlie
1948731 February 1934 Olin
2492001 December 1949 Olson
2612885 October 1952 Cox
3400700 September 1968 Lindsey et al.
4381742 May 3, 1983 Funk
4996952 March 5, 1991 Hall
5174254 December 29, 1992 Humburg
Foreign Patent Documents
379877 August 1932 GBX
Patent History
Patent number: D341596
Type: Grant
Filed: Feb 6, 1992
Date of Patent: Nov 23, 1993
Assignee: Kim Hotstart Manufacturing Company (Spokane, WA)
Inventor: John Stein (Spokane, WA)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. Seifert
Law Firm: Wells, St. John, Roberts, Gregory & Matkin
Application Number: 7/831,969
Classifications
Current U.S. Class: Element Or Attachment (D15/5)