Check valve
Nimberger December 15, 2
U.S. patent number D606,167 [Application Number D/328,863] was granted by the patent office on 2009-12-15 for check valve. This patent grant is currently assigned to PGI International, Ltd.. Invention is credited to Spencer M. Nimberger.
| United States Patent | D606,167 |
| Nimberger | December 15, 2009 |
Check valve
Claims
CLAIM The ornamental design for a check valve, as shown and described.
| Inventors: | Nimberger; Spencer M. (Houston, TX) |
|---|---|
| Assignee: | PGI International, Ltd.
(Houston, TX) |
| Appl. No.: | D/328,863 |
| Filed: | December 3, 2008 |
| Current U.S. Class: | D23/233 |
| Current International Class: | 2301 |
| Field of Search: | ;D23/233-237,244-249,259,260,262 ;137/15.18,15.19,218,356,512.4,512.5,515,515.5,515.7,527,527.8,554,843,844,846,859,883 ;251/25,331 ;D24/110.6,112,129 ;128/203.11,204.25,205.11,205.24,206.15,207.16 |
References Cited [Referenced By]
U.S. Patent Documents
| 2339101 | January 1944 | Parker |
| D269633 | July 1983 | Willinger et al. |
| D321928 | November 1991 | Milo |
| D354335 | January 1995 | Siposs |
| D364210 | November 1995 | Loerop et al. |
| D370963 | June 1996 | Daansen |
| D419217 | January 2000 | Lee |
| D426617 | June 2000 | Hansen |
| D496091 | September 2004 | Katzman et al. |
| D536443 | February 2007 | Latsos |
| D576704 | September 2008 | Gilcher |
Assistant Examiner: Stevens; Maurice
Attorney, Agent or Firm: Browning Bushman P.C.
Description
FIG. 1 is a top, front perspective view of a check valve;
FIG. 2 is a top, rear perspective view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof; and,
FIG. 6 is a top view thereof.
The broken lines showing for unclaimed portions of the check valve in FIGS. 1 2 and 4 6 form no part of the claimed design.
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