Cylindrical filter element
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Description
The FIGURE shown is a front view of a cylindrical filter element showing an embodiment of our new design, the other sides being identical.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
| D349567 | August 9, 1994 | Miller et al. |
| D403741 | January 5, 1999 | Rao 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 15, 1979 | Pall |
| 4402830 | September 6, 1983 | Pall |
| 4882056 | November 21, 1989 | Degen et al. |
| 4902417 | February 20, 1990 | Lien |
| 5039413 | August 13, 1991 | Harwood et al. |
| 5252207 | October 12, 1993 | Miller et al. |
| 5290457 | March 1, 1994 | Karbachsch et al. |
| 5543047 | August 6, 1996 | Stoyell et al. |
| 855068 | December 1955 | GBX |
| 1005987 | September 1963 | GBX |
| 1337170 | December 1971 | GBX |
- "Ultipor Composite Filter Structure", Pall Corporation, 1992.
Patent History
Patent number: D420095
Type: Grant
Filed: Nov 18, 1998
Date of Patent: Feb 1, 2000
Assignee: Pall Corporation (East Hills, NY)
Inventors: John D. Miller (Ithaca, NY), Kenneth M. Williamson (Jamesville, NY)
Primary Examiner: Robin V. Taylor
Law Firm: Leydig, Voit & Mayer, Ltd.
Application Number: 0/96,709
Type: Grant
Filed: Nov 18, 1998
Date of Patent: Feb 1, 2000
Assignee: Pall Corporation (East Hills, NY)
Inventors: John D. Miller (Ithaca, NY), Kenneth M. Williamson (Jamesville, NY)
Primary Examiner: Robin V. Taylor
Law Firm: Leydig, Voit & Mayer, Ltd.
Application Number: 0/96,709
Classifications
