Handle for a duct damper

Details Handle for a duct damper Handle for a duct damper

2003-05-21

2004-05-25

Zarfas, Louis S. (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Sanitary fixture or housing therefor

Sink

Design Patent

active

D0490506

CLAIM:
The ornamental design for a handle for a duct damper, as shown and described.

REFERENCES:
patent: 72261 (1867-12-01), Anderson
patent: 846542 (1907-03-01), Albertson
patent: 946018 (1910-01-01), Cornwall
patent: 1119041 (1914-12-01), Raggio
patent: 1282811 (1918-10-01), Goldburg
patent: 1454341 (1923-05-01), Schwartz
patent: 2350441 (1944-06-01), Anderson
patent: D249543 (1978-09-01), Smith
patent: 4350142 (1982-09-01), Beyer et al.
patent: 4491124 (1985-01-01), Goettel
patent: D300778 (1989-04-01), Giannone

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