Fluid filter unit

Description

FIG. 1 is a side elevational view of a fluid filter unit depicting the fluid inlet end at the top and the fluid outlet end at the bottom;

FIG. 2 is a bottom plan view of the filter unit facing the fluid outlet end;

FIG. 3 is a top plan view of the filter unit _facing the fluid inlet end; and

FIG. 4 is a perspective view of the filter unit. _

Referenced Cited
U.S. Patent Documents
D234721 April 1975 Rosenberg
D235035 April 1975 Rosenberg
D247252 February 14, 1978 Rosenberg
3765537 October 1973 Rosenberg
4111807 September 5, 1978 Boomus et al.
4113627 September 12, 1978 Leason
4159954 July 3, 1979 Gangemi
Patent History
Patent number: D260175
Type: Grant
Filed: May 24, 1979
Date of Patent: Aug 11, 1981
Assignee: Carl Schleicher & Schull GmbH & Co., KG (Einbeck)
Inventors: Wolfgang Hein (Dassel), Peter Grundmann (Bockeroth)
Primary Examiner: Bernard Ansher
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 6/42,204
Classifications
Current U.S. Class: D24/21; D23/4
International Classification: D2402; D2399;