Ground stake for retaining irrigation conduit

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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
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.
Foreign Patent Documents
2038974 July 1980 GBX
Other references
  • 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
Classifications
Current U.S. Class: D/8356; With Surface Penetration Means (D23/217)