Ground stake for retaining irrigation conduit
Description
FIG. 1 is a front perspective view of a ground stake for retaining irrigation conduit embodying my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a a front elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a right side elevational view thereof;
The broken line showing of a hose is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D245032 | July 12, 1977 | Hoffmann |
D285409 | September 2, 1986 | Lenkin et al. |
3473770 | October 1969 | Edgerton |
3941342 | March 2, 1976 | Bradshaw |
3994441 | November 30, 1976 | Testa |
4256262 | March 17, 1981 | Rosenberg et al. |
4850555 | July 25, 1989 | Lemkin et al. |
2038974 | July 1980 | GBX |
- 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.
Patent History
Patent number: D316367
Type: Grant
Filed: Dec 27, 1988
Date of Patent: Apr 23, 1991
Inventor: Donald O. Olson (El Cajon, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Holly H. Baynham
Law Firm: Owen, Wickersham & Erickson
Application Number: 7/290,096
Type: Grant
Filed: Dec 27, 1988
Date of Patent: Apr 23, 1991
Inventor: Donald O. Olson (El Cajon, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Holly H. Baynham
Law Firm: Owen, Wickersham & Erickson
Application Number: 7/290,096
Classifications
Current U.S. Class:
D/8356;
With Surface Penetration Means (D23/217)