Gas filter

- LUWA AG
Description

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D222252 October 1971 Coleman et al.
D222254 October 1971 Kattelmann et al.
3630361 December 1971 Keating
4265647 May 5, 1981 Donachiue
Patent History
Patent number: D288476
Type: Grant
Filed: Sep 17, 1984
Date of Patent: Feb 24, 1987
Assignee: LUWA AG (Zurich)
Inventor: Guido Ebnoether (Urdorf)
Primary Examiner: B. J. Bullock
Assistant Examiner: Brian N. Vinson
Attorney: Werner W. Kleeman
Application Number: 6/651,115
Classifications
Current U.S. Class: D23/149