Gas separating filter

- Gelman Sciences Inc.
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Description

FIG. 1 is a perspective view of a gas separating filter showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a back elevational view thereof.

Referenced Cited
U.S. Patent Documents
D320273 September 24, 1991 Heiden
D333348 February 16, 1993 Yokomachi
4009715 March 1, 1977 Forberg et al.
4021353 May 3, 1977 Raines et al.
4190426 February 26, 1980 Ruschke
4298358 November 3, 1981 Ruschke
4304670 December 8, 1981 Watanabe et al.
4485014 November 27, 1984 Gilroy et al.
4515606 May 7, 1985 de Winter
Patent History
Patent number: D360464
Type: Grant
Filed: Mar 24, 1994
Date of Patent: Jul 18, 1995
Assignee: Gelman Sciences Inc. (Ann Arbor, MI)
Inventor: Donald Murray (Britton, MI)
Primary Examiner: Stella Reid
Law Firm: Gifford, Krass, Groh, Sprinkle, Patmore, Anderson & Citkowski
Application Number: 0/21,696
Classifications
Current U.S. Class: Filter (37) (D24/162)