Portable heater

Details Portable heater Portable heater

2002-05-31

2003-03-11

Bullock, B. J. (Department: 2912)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Portable

CD23S339000, CD23S342000

Design Patent

active

D0471622

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

REFERENCES:
patent: D63321 (1923-11-01), Pirson
patent: D176082 (1955-11-01), Puzey et al.
patent: D325963 (1992-05-01), Anderson
patent: D429324 (2000-08-01), Olson et al.
patent: 6192878 (2001-02-01), Waters
patent: D445889 (2001-07-01), Resmo et al.
patent: D446290 (2001-08-01), Jeng
patent: D447796 (2001-09-01), Resmo et al.
patent: D451988 (2001-12-01), Ashton et al.
patent: D455204 (2002-04-01), Bossler
patent: D456498 (2002-04-01), Jeng
patent: 6397835 (2002-06-01), Liang

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