Impact drive sprinkler

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Information

Patent Grant
D285476

References
Source

Patent Number
D285,476
Date Filed
Wednesday, May 2, 1984
41 years ago
Date Issued
Tuesday, September 2, 1986
39 years ago

Inventors
- Hans D. Christen
Original Assignees
- RAIN BIRD SPRINKLER MFG. CORP
Examiners
- Burke; Wallace R.
- Vinson; Brian N.
Agents
- Kelly, Bauersfeld & Lowry

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 6-9
- 239 230-233
- 239 591
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an impact drive sprinkler, substantially as shown.

US Referenced Citations (6)

Number	Name	Date	Kind
2793911	Dudley	May 1957
3434665	Royer	Mar 1969
3744720	Meyer	May 1973
3918643	Malcolm	Nov 1975
3930617	Dunmire	Jan 1976
4216913	Troup	Aug 1980

Foreign Referenced Citations (1)

Number	Date	Country
943081	May 1956	DEX