Irrigation sprinkler

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevation of an irrigation spinkler, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is an elevation of the right side thereof; and

FIG. 6 is an elevation of the left side thereof.

Referenced Cited
U.S. Patent Documents
D255825 July 8, 1980 Handy
2769666 November 1956 Spender
3022012 February 1962 Sharp et al.
3208672 September 1965 Sully
3408009 October 1968 Friedmann et al.
3726479 April 1973 Leissner et al.
3765608 October 1973 Lockwood
3918643 November 1975 Malcolm
3930617 January 6, 1976 Dunmiro
3952953 April 27, 1976 Eby
3977610 August 31, 1976 Royer
Patent History
Patent number: D270178
Type: Grant
Filed: Dec 11, 1980
Date of Patent: Aug 16, 1983
Assignee: Berkan-Heck Company (Sacramento, CA)
Inventor: Michael E. Heck (Sacramento, CA)
Primary Examiner: James R. Largen
Attorneys: Mark C. Jacobs, Robert West
Application Number: 6/215,326
Classifications
Current U.S. Class: D23/7
International Classification: D2301;