Heat blower

Details Heat blower Heat blower

2007-08-21

2008-10-07

Zarfas, Louis S (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Portable

CD23S332000

Design Patent

active

D0578193

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

REFERENCES:
patent: D151309 (1948-10-01), Witte
patent: D152841 (1949-02-01), Thompson et al.
patent: 2552470 (1951-05-01), Wahlberg
patent: D164613 (1951-09-01), Wahlberg et al.
patent: D201165 (1965-05-01), Briggs
patent: D264374 (1982-05-01), Briggs et al.
patent: D315597 (1991-03-01), Botheras et al.
patent: D319694 (1991-09-01), Wortham
patent: D330756 (1992-11-01), Davies et al.
patent: D340765 (1993-10-01), Joss et al.
patent: D341417 (1993-11-01), Wortham
patent: D347683 (1994-06-01), Chiu et al.
patent: D467323 (2002-12-01), Cho

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