Check valve
Hansen June 13, 2
U.S. patent number D426,617 [Application Number D/097,989] was granted by the patent office on 2000-06-13 for check valve. This patent grant is currently assigned to Hansen Developments Ltd.. Invention is credited to Albert Frederick Hansen.
| United States Patent | D426,617 |
| Hansen | June 13, 2000 |
Check valve
Claims
The ornamental design for a check valve, as shown and described.
| Inventors: | Hansen; Albert Frederick (Whangarei, NZ) |
|---|---|
| Assignee: | Hansen Developments Ltd.
(NZ) |
| Appl. No.: | D/097,989 |
| Filed: | December 18, 1998 |
| Current U.S. Class: | D23/237 |
| Current International Class: | 2301 |
| Field of Search: | ;D23/233-237,244 ;137/515,515.5,527,527.8 |
References Cited [Referenced By]
U.S. Patent Documents
| D297560 | September 1988 | LeBareton |
| D359103 | June 1995 | Bouc et al. |
| 2289556 | July 1942 | Stoyke |
| 2339101 | January 1944 | Parker |
Attorney, Agent or Firm: Dorsey & Whitney LLP
Description
FIG. 1 is an elevational view of one side of the check valve of the present invention, the other side being a mirror image thereof.
FIG. 2 is an elevational view of one end of the check valve of the present invention.
FIG. 3 is an elevational view of the end opposite to the end of the check valve depicted in FIG. 2.
FIG. 4 is a top plan view of the check valve of the present invention; and,
FIG. 5 is a bottom plan view of the check valve of the present invention.
* * * * *
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 