Chimney draft regulator

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment

Design Patent

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Design Patent

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D0609798

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

REFERENCES:
patent: 2922354 (1960-01-01), Breidert et al.
patent: 3049068 (1962-08-01), Rousey
patent: 3082677 (1963-03-01), Pease
patent: 4335648 (1982-06-01), Mitchell
patent: 4461066 (1984-07-01), Peterson
patent: D284094 (1986-06-01), Liniger
patent: 4638727 (1987-01-01), Mitchell
patent: 5655964 (1997-08-01), Rheault et al.
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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