Combustion air vent with flat top and bottom retainers and beveled edge
Description
Claims
The ornamental design for a combustion air vent with flat top and bottom retainers and beveled edge, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D621924
Type: Grant
Filed: Jan 25, 2010
Date of Patent: Aug 17, 2010
Inventor: John J. Achen (Yuma, AZ)
Primary Examiner: T. Chase Nelson
Assistant Examiner: David G Muller
Attorney: The von Hellens Law Firm, Ltd.
Application Number: 29/354,493
Type: Grant
Filed: Jan 25, 2010
Date of Patent: Aug 17, 2010
Inventor: John J. Achen (Yuma, AZ)
Primary Examiner: T. Chase Nelson
Assistant Examiner: David G Muller
Attorney: The von Hellens Law Firm, Ltd.
Application Number: 29/354,493
Classifications
Current U.S. Class:
Register Or Diffuser (D23/388)