Chimney draft regulator

Details Chimney draft regulator Chimney draft regulator

2009-07-22

2010-02-09

Nelson, T. Chase (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0609798

CLAIM:
The ornamental design for a chimney draft regulator, as shown and described.

REFERENCES:
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patent: D428484 (2000-07-01), Zirk
patent: D437043 (2001-01-01), Wettergren
patent: 6190251 (2001-02-01), Park
patent: D570966 (2008-06-01), Gilligan
patent: D581032 (2008-11-01), Parry

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