Heat register

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Description

FIG. 1 is a top perspective view of a heat register, showing my new design, in open position,

FIG. 2 is a top perspective view thereof, in closed position,

FIG. 3 is a top plan view thereof in open position,

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image of that shown,

FIG. 5 is an end elevation view thereof, the opposite end being a mirror image of that shown,

FIG. 6 is a bottom plan view thereof, in open position, and

FIG. 7 is a simplified cross-sectional view thereof, taken on line 7--7 of FIG. 3.

Referenced Cited
U.S. Patent Documents
1559376 October 1925 Riker
2201830 May 1940 Hoffer et al.
2308262 January 1943 Beil
3391629 July 1968 Snell
3403615 October 1968 Dayus
3426668 February 1969 Hofmeister et al.
3777650 December 1973 Wenig
Other references
  • Automotive News, Apr. 8, 1963, p. 18, Climatic Air Imperial Auto Air conditioner, bottom right side of page. Heating & Air Conditioning Contractor, 10/68, p. 2, Shallow-Valve Floor Diffuser, middle top of page.
Patent History
Patent number: D315790
Type: Grant
Filed: May 18, 1987
Date of Patent: Mar 26, 1991
Inventor: Juergen R. Koessler (Langley, British Columbia)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Bull, Housser & Tupper
Application Number: 7/51,059
Classifications
Current U.S. Class: Register Or Diffuser (D23/388)