Cylindrical filter element
Miller , et al. December 14, 1
U.S. patent number D417,715 [Application Number D/060,233] was granted by the patent office on 1999-12-14 for cylindrical filter element. This patent grant is currently assigned to Pall Corporation. Invention is credited to John D. Miller, Kenneth M. Williamson.
| United States Patent | D417,715 |
| Miller , et al. | December 14, 1999 |
Cylindrical filter element
Claims
The ornamental design for a cylindrical filter element, as shown and described.
| Inventors: | Miller; John D. (Ithaca, NY), Williamson; Kenneth M. (Jamesville, NY) |
|---|---|
| Assignee: | Pall Corporation (East Hills,
NY) |
| Appl. No.: | D/060,233 |
| Filed: | September 25, 1996 |
Related U.S. Patent Documents
| Application Number | Filing Date | Patent Number | Issue Date | ||
|---|---|---|---|---|---|
| 031227 | Nov 14, 1994 | ||||
| 024481 | Jun 13, 1994 | ||||
| 682452 | Apr 9, 1991 | Des. 349567 | |||
| Current U.S. Class: | D23/209 |
| Current International Class: | 2301 |
| Field of Search: | ;D23/200,207-210 ;210/167,169,263-4,282,446,448-9,452,459,460,493.4,497.1 |
References Cited [Referenced By]
U.S. Patent Documents
| D349567 | August 1994 | Miller et al. |
| 629377 | July 1899 | Leland |
| 2426405 | August 1947 | McDermott |
| 2539450 | January 1951 | Magill |
| 3241680 | March 1966 | Humbert Jr. |
| 3442392 | May 1969 | Skelley |
| 3566607 | March 1971 | Sixt |
| 4154688 | May 1979 | Pall |
| 4402830 | September 1983 | Pall |
| 4882056 | November 1989 | Degen et al. |
| 4902417 | February 1990 | Lien |
| 5039413 | August 1991 | Harwood et al. |
| 5252207 | October 1993 | Miller et al. |
| 5290457 | March 1994 | Karbachsch et al. |
| 5543047 | August 1996 | Stoyell et al. |
| 855068 | Dec 1955 | GB | |||
| 1005987 | Sep 1963 | GB | |||
| 1337170 | Dec 1971 | GB | |||
Other References
|
"Ultipor Composite Filter Structure", Pall Corporation, 1992.. |
Primary Examiner: Douglas; Alan P.
Assistant Examiner: Taylor; Robin V.
Attorney, Agent or Firm: Leydig, Voit & Mayer
Description
FIG. 1 is a front view of a cylindrical filter element showing a first embodiment of our design.
FIG. 2 is a front view of a cylindrical filter element showing a second embodiment of our design.
FIG. 3 is a cross sectional view of a spiral wrap taken along line 3--3 of FIG. 1.
The top and bottom views form no part of the claimed design.
The broken line illustration in the drawings is for illustrative purposes only and forms no part of the claimed design.
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