Title:
Air filter
United States Patent D463541


Inventors:
Thomas, Allen C. (Tampa, FL)
Application Number:
29/129599
Publication Date:
09/24/2002
Filing Date:
09/18/2000
Assignee:
Maxxair Vent Corporation (Tampa, FL)
Primary Class:
Field of Search:
D23/365, 55/501
View Patent Images:
US Patent References:
5076924Filter platePersson et al.55/494
4759270Vent cap coverLindeen
3942964Clean room perforated floor panelShuler55/494



Primary Examiner:
LICHTENSTEIN, LISA P
Attorney, Agent or Firm:
Hovey Williams LLP (Overland Park, KS, US)
Claims:
1. The ornamental design for an air filter, as shown and described.

Description:
FIG. 1 is an isometric view of my new design for an air filter;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a view along line 4—4 in FIG. 2;

FIG. 5 is a view along line 5—5 in FIG. 3;

FIG. 6 is an enlarged sectional view along line 6—6 in FIG. 5;

FIG. 7 is an enlarged sectional view along line 7—7 in FIG. 5;

FIG. 8 is an enlarged sectional view along line 8—8 in FIG. 5; and,

FIG. 9 is an enlarged exploded view of FIG. 8.