Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
2011-08-09
2011-08-09
Snapp, Sandra (Department: 2915)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0643100
CLAIM:
The ornamental design for an air freshener, as shown and described.
REFERENCES:
patent: 2128118 (1938-08-01), Burford
patent: 2301385 (1942-11-01), Ehrgott
patent: 2851713 (1958-09-01), Tupper
patent: D539698 (2007-04-01), Choi
patent: D598530 (2009-08-01), Whitehead et al.
Smith Ronald B.
Whitehead Kenneth R.
Paul Louis C
Snapp Sandra
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