Heat pump

Details Heat pump Heat pump

2007-04-03

2007-04-03

Vinson, Brian N (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air conditioner

Design Patent

active

29239290

CLAIM:
The ornamental design for a heat pump, as shown and described.

REFERENCES:
patent: D219449 (1970-12-01), Ortega
patent: 3722845 (1973-03-01), Unger
patent: D244293 (1977-05-01), Carluccio
patent: 4261418 (1981-04-01), Helt et al.
patent: D299528 (1989-01-01), Kessler et al.
patent: D306642 (1990-03-01), Chang et al.
patent: D353883 (1994-12-01), Blanchard
patent: D434480 (2000-11-01), Caronna et al.
patent: D449094 (2001-10-01), Caronna et al.
patent: D454186 (2002-03-01), Caronna et al.
patent: D454388 (2002-03-01), Mutchnik et al.
patent: D503784 (2005-04-01), Tucker et al.
patent: D513528 (2006-01-01), Tucker et al.
U.S. Appl. No. 60/721,479 “Heat Pump for Low Ambient Air Temperature Operations,” Filed Sep. 28, 2005.

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