Cylindrical filter element
Rao , et al. March 2, 1
U.S. patent number D406,315 [Application Number D/082,846] was granted by the patent office on 1999-03-02 for cylindrical filter element. This patent grant is currently assigned to Fleetguard, Inc.. Invention is credited to Edwin A. Castellanos, Prabhakar B. Rao.
| United States Patent | D406,315 |
| Rao , et al. | March 2, 1999 |
Cylindrical filter element
Claims
We claim the ornamental design for a cylindrical filter element, as shown and described.
| Inventors: | Rao; Prabhakar B. (Cookeville, TN), Castellanos; Edwin A. (Cookeville, TN) |
|---|---|
| Assignee: | Fleetguard, Inc. (Nashville,
TN) |
| Appl. No.: | D/082,846 |
| Filed: | January 29, 1998 |
| Current U.S. Class: | D23/209 |
| Current International Class: | 2301 |
| Field of Search: | ;D23/200,207,208,209,365 ;210/484,494,493.1,493.2,497.01,497.1 |
References Cited [Referenced By]
U.S. Patent Documents
| D349567 | August 1994 | Miller et al. |
| D374476 | October 1996 | Page et al. |
| D390910 | February 1998 | Sundquist |
| 3241680 | March 1966 | Humbert, Jr. |
| 3442392 | May 1969 | Skelley |
| 3552553 | January 1971 | Reading |
| 3747770 | July 1973 | Zentis |
| 4402830 | September 1983 | Pall |
| 5039413 | August 1991 | Harwood et al. |
| 5639370 | June 1997 | Fall et al. |
| 5690765 | November 1997 | Stoyell et al. |
| 1 337 170 | 1973 | GB | |||
Assistant Examiner: Taylor; Robin V.
Attorney, Agent or Firm: Woodard, Emhardt, Naughton Moriarty & McNett
Description
FIG. 1 is a front elevational view of a cylindrical filter element showing our new design;
FIG. 2 is a right side elevational view thereof; and,
FIG. 3 is a rear elevational view thereof.
The broken line showing of environmental structures in FIGS. 1-3 is for illustrative purposes only and forms no part of the claimed design.
A characteristic feature of the design resides in continuous, overlapping circular beads which are visible through a spiral wrap.
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