Food preservation filter

- Tilia International, Inc.
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Description

FIG. 1 is a top perspective view of the food preservation filter;

FIG. 2 is a top view of the food preservation filter;

FIG. 3 is a front view of the food preservation filter;

FIG. 4 is a back view of the food preservation filter;

FIG. 5 is a bottom view of the food preservation filter;

FIG. 6 is a right side view of the food preservation filter; and,

FIG. 7 is a left side view of the food preservation filter.

Claims

The ornamental design for a food preservation filter, as shown and described.

Referenced Cited
U.S. Patent Documents
4210255 July 1, 1980 Pan
4412630 November 1, 1983 Daenen
5363978 November 15, 1994 Molo
D355814 February 28, 1995 VanValkenburg et al.
5390809 February 21, 1995 Lin
D365251 December 19, 1995 Lo
D389012 January 13, 1998 Miller
5762228 June 9, 1998 Morgan et al.
6099728 August 8, 2000 Bairischer
Patent History
Patent number: D478774
Type: Grant
Filed: Jul 31, 2002
Date of Patent: Aug 26, 2003
Assignee: Tilia International, Inc. (San Francisco, CA)
Inventors: Robert Wilk (Sierra Village, CA), Ross Heil (Walnut Creek, CA)
Primary Examiner: Terry A. Wallace
Attorney, Agent or Law Firm: Fliesler Dubb Meyer & Lovejoy LLP
Application Number: 29/164,799
Classifications
Current U.S. Class: D7/368
International Classification: 0701;