HVAC filter
Latest 3M Innovative Properties Company Patents:
Description
FIG. 1 is a perspective view of an HVAC filter showing our new design;
FIG. 2 is a front view thereof, the rear view thereof being the same;
FIG. 3 is a top view thereof, the bottom view thereof being the same; and,
FIG. 4 is a side view thereof, the other side thereof being the same.
Claims
The ornamental design for an HVAC filter, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D449100
Type: Grant
Filed: Aug 25, 2000
Date of Patent: Oct 9, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Douglas C. Sundet (Hudson, WI), James F. Pitzen (Maplewood, MN)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: David B. Patchett
Application Number: 29/128,491
Type: Grant
Filed: Aug 25, 2000
Date of Patent: Oct 9, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Douglas C. Sundet (Hudson, WI), James F. Pitzen (Maplewood, MN)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: David B. Patchett
Application Number: 29/128,491
Classifications