Combined filter element and frame therefor
Gillingham , et al. May 16, 2
U.S. patent number D425,189 [Application Number D/088,181] was granted by the patent office on 2000-05-16 for combined filter element and frame therefor. This patent grant is currently assigned to Donaldson Company, Inc.. Invention is credited to Gary R. Gillingham, Bernard A. Matthys, Daniel T. Risch, Joseph C. Tokar.
| United States Patent | D425,189 |
| Gillingham , et al. | May 16, 2000 |
Combined filter element and frame therefor
Claims
The ornamental design for a combined filter element and frame therefor, as shown and described.
| Inventors: | Gillingham; Gary R. (Prior Lake, MN), Matthys; Bernard A. (Apple Valley, MN), Tokar; Joseph C. (Apple Valley, MN), Risch; Daniel T. (Burnsville, MN) |
|---|---|
| Assignee: | Donaldson Company, Inc.
(Minneapolis, MN) |
| Family ID: | 57396865 |
| Appl. No.: | D/088,181 |
| Filed: | April 6, 1998 |
Related U.S. Patent Documents
| Application Number | Filing Date | Patent Number | Issue Date | ||
|---|---|---|---|---|---|
| 053682 | Apr 26, 1996 | Des. 398046 | |||
| Current U.S. Class: | D23/365; D23/355 |
| Current CPC Class: | B01D46/0002 20130101; B01D46/10 20130101; B01D2271/02 20130101 |
| Current International Class: | 2304 |
| Field of Search: | ;D23/365,355 ;55/498,508 ;210/483,497.01 |
References Cited [Referenced By]
U.S. Patent Documents
| 3807150 | April 1974 | Maracle |
| 3878594 | April 1975 | Minor, Jr. et al. |
| 3966646 | June 1976 | Noakes et al. |
| 4289513 | September 1981 | Brownhill et al. |
| 4322231 | March 1982 | Hilzendeger et al. |
| 4410427 | October 1983 | Wydeven |
| 4430223 | February 1984 | Miyakawa et al. |
| 4439231 | March 1984 | Taki et al. |
| 4589983 | May 1986 | Wydevan |
| 5102436 | April 1992 | Grabowski |
| 5304351 | April 1994 | Tanaka et al. |
Attorney, Agent or Firm: Merchant & Gould P.C.
Description
FIG. 1 shows a perspective view of a combined filter element and frame therefor according to the principles of the present invention;
FIG. 2 shows a front elevational view thereof, a rear elevational view not being shown as it is a mirror image of the front elevational view;
FIG. 3 shows a top plan view thereof; and,
FIG. 4 shows a right side elevational view, a left side elevational view not being shown as it is a mirror image of the right side elevational view .
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