HVAC filter

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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
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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
Classifications
Current U.S. Class: Filter (D23/365)
International Classification: 2304;