Gas filter
- LUWA AG
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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
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
