Combined pressure regulator and filter

- CKD Kabushiki Kaisha
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Description

FIG. 1 is a left side elevational view of a combined pressure regulator and filter showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a front, top and right side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D96405 July 1935 Murphy
D103582 March 1937 Murphy
D106584 October 1937 Russel
D106585 October 1937 Russel
D145393 August 1946 Folke et al.
D192398 March 1962 Grove
D234356 February 1975 Holben et al.
D234357 February 1975 Humphrey
D234359 February 1975 Holben et al.
D234843 April 1975 Taylor
D236263 August 1975 Dussardier et al.
Patent History
Patent number: D318713
Type: Grant
Filed: Mar 30, 1989
Date of Patent: Jul 30, 1991
Assignee: CKD Kabushiki Kaisha (Komaki)
Inventors: Kouichi Miyake (Kani), Kazuya Hosoda (Aichi), Hisanobu Niwa (Komaki)
Primary Examiner: James R. Largen
Assistant Examiner: Demetrius Reynolds
Law Firm: Neuman, Williams, Anderson & Olson
Application Number: 7/330,736