Garden pond filter

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Description

The single FIGURE is a perspective view of a garden pond filter showing my new design.

Referenced Cited
U.S. Patent Documents
D204661 May 1966 Arneson
D208137 July 1967 Gare
D239173 March 1976 Yoshihara
D240927 August 1976 Sturgill
D241936 October 1976 Rosaen
D255480 June 17, 1980 Zieg
4144841 March 20, 1979 Bliss
4206054 June 3, 1980 Moore et al.
4216090 August 5, 1980 Dockery
Patent History
Patent number: D269453
Type: Grant
Filed: Jun 19, 1980
Date of Patent: Jun 21, 1983
Assignee: Tetra Werke Dr. rer. nat. Ulrich Baensch GmbH (Melle)
Inventor: Waldemar Riepe (Osnabruck)
Primary Examiner: James R. Largen
Attorney: R. S. Strickler
Application Number: 6/161,107
Classifications
Current U.S. Class: D23/4
International Classification: D2301;