Filter adapter head

Description

FIG. 1 is a top plan view of a filter adapter head showing our new design;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side being substantially identical mirror image; and,

FIG. 5 is a top and right side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D234843 April 1975 Taylor
D286620 November 11, 1986 Schneider
D316208 April 16, 1991 Griffiths et al.
D320640 October 8, 1991 Goodrow
D327016 June 16, 1992 Leuenberger
D333787 March 9, 1993 Hirst et al.
D336430 June 15, 1993 Maguire et al.
4830058 May 16, 1989 Harris
5174337 December 29, 1992 Dahlen et al.
Patent History
Patent number: D356625
Type: Grant
Filed: May 28, 1993
Date of Patent: Mar 21, 1995
Assignees: Hydro Systems International , PureMark USA, Inc. , W. F. srl
Inventors: Raymond M. Petrucci (Middlebury, CT), Harry T. Cheatwood (Stillwater, OK)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. Brown
Attorney: William C. Crutcher
Application Number: 0/8,781
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209); D/9435