U.S. patent number D336,678 [Application Number 07/686,570] was granted by the patent office on 1993-06-22 for grease filter. This patent grant is currently assigned to Kason Industries, Inc.. Invention is credited to Burl Finkelstein, Eino M. Lehto.
United States Patent | D336,678 |
Finkelstein , et al. | * June 22, 1993 |
Inventors: | Finkelstein; Burl (Shenandoah, GA), Lehto; Eino M. (Newnan, GA) |
---|---|
Assignee: | Kason Industries, Inc.
(Shenandoah, GA) |
[*] Notice: | The portion of the term of this patent subsequent to July 28, 2006 has been disclaimed. |
Appl. No.: | 07/686,570 |
Filed: | April 17, 1991 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
597748 | Oct 12, 1990 | Des. 331962 | Dec 22, 1992 | ||
556795 | Jul 23, 1990 | Des. 328334 | Jul 28, 1992 | ||
Current U.S. Class: | D23/209 |
Field of Search: | ;D23/207-210 ;210/282,443-449,498,231 ;D10/109,111 |
D307462 | April 1990 | Merkouris |
786203 | March 1905 | Gailey |
3812972 | May 1974 | Rosenblum |
4059528 | November 1977 | Grosshandler |
4268391 | May 1981 | Paquette |
4537680 | August 1985 | Barth |
1 Sheet Photographs--Flame Guard 2-Piece Type (Showing Lanced and Fitted Baffles). . 1 Sheet Photographs-Conventional Assembly (Baffled Type filter).. |
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