U.S. patent number D316,367 [Application Number 07/290,096] was granted by the patent office on 1991-04-23 for ground stake for retaining irrigation conduit. Invention is credited to Donald O. Olson.
United States Patent | D316,367 |
Olson | April 23, 1991 |
Inventors: | Olson; Donald O. (El Cajon, CA) |
---|---|
Appl. No.: | 07/290,096 |
Filed: | December 27, 1988 |
Current U.S. Class: | D8/356; D23/217 |
Field of Search: | ;D8/356,391 ;D30/145-154 ;172/24 ;239/276 ;248/80,87,156,530 |
D245032 | July 1977 | Hoffmann |
D285409 | September 1986 | Lenkin et al. |
3473770 | October 1969 | Edgerton |
3941342 | March 1976 | Bradshaw |
3994441 | November 1976 | Testa |
4256262 | March 1981 | Rosenberg et al. |
4850555 | July 1989 | Lemkin et al. |
2038974 | Jul 1980 | GB | |||
Hardware Age, Aug. 1986, p. 330, Stake for Irrigation Tubing, located at bottom of page under `Sherman` ad, see circled item. . Hardware Age, May 1986, p. 139, Stake for Irrigation Tubing, located at top left hand corner-see circled item. . Hardie Irrigation Catalog p. 2-1, Oct. 15, 1985, Stake to suit Hydrojet, item H, located at top, far right side.. |
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.