Filter

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Description

FIG. 1 is a side elevational view of a filter showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
1705042 March 1929 Babitch
2565696 August 1951 Ketelsen
2647635 August 1953 Hove et al.
2894606 July 1959 Veres
3883428 May 1975 Waring
3931011 January 6, 1976 Richards
4017397 April 12, 1977 Copeland
Patent History
Patent number: D251380
Type: Grant
Filed: Dec 10, 1976
Date of Patent: Mar 20, 1979
Inventor: Jordi Casamitjana (Lomas de Becerra)
Primary Examiner: James R. Largen
Attorney: Leonard J. Robbins
Application Number: 5/749,498
Classifications
Current U.S. Class: D23/4
International Classification: D2301;