Heater

Details Heater Heater

2007-04-18

2009-06-02

Spear, Robert M. (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Mobile space heater, e.g., wheeled blower type, etc.

CD23S332000

Design Patent

active

D0593662

CLAIM:
The ornamental design for a heater, as shown.

REFERENCES:
patent: D267970 (1983-02-01), Gronwick
patent: D271132 (1983-10-01), Boldt et al.
patent: D287617 (1987-01-01), Nakamura
patent: D289547 (1987-04-01), Nakamura
patent: D289679 (1987-05-01), Nakamura
patent: D315598 (1991-03-01), Yamamoto et al.
patent: D322669 (1991-12-01), Yamamoto et al.
patent: D329284 (1992-09-01), Patton
patent: D332655 (1993-01-01), Lytle et al.
patent: D433494 (2000-11-01), Pinchuk et al.
patent: D509897 (2005-09-01), Lau
patent: D515187 (2006-02-01), Blateri
patent: D539410 (2007-03-01), Fok
patent: D546932 (2007-07-01), Bucher et al.

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