Heat pump accessory

Description

FIG. 1 is a perspective view of a heat pump accessory showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a side elevational view;

FIG. 5 is a side elevational view of the side opposite that shown in FIG. 4; and,

FIG. 6 is a top plan view, the opposite side being a mirror image.

Referenced Cited
U.S. Patent Documents
4009594 March 1, 1977 Swanson
4103506 August 1, 1978 Adalbert et al.
4301662 November 24, 1981 Whitnah
4351161 September 28, 1982 Jones
4373354 February 15, 1983 Sawyer
4628706 December 16, 1986 Neudorfer
4688390 August 25, 1987 Sawyer
4727727 March 1, 1988 Reedy
4732007 March 22, 1988 Dolan
4766734 August 30, 1988 Dudley
4878361 November 7, 1989 Kohl et al.
4910969 March 27, 1990 Dalin
Foreign Patent Documents
865997 April 1958 GBX
Patent History
Patent number: D333308
Type: Grant
Filed: Oct 10, 1990
Date of Patent: Feb 16, 1993
Inventor: Terry A. Smart (Sissonville, WV)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. Seifert
Attorney: Terry M. Gernstein
Application Number: 7/595,017
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)