USD276454SExpiredUtility

Impact drive sprinkler

39
Assignee: RAIN BIRD SPRINKLER MFGPriority: Feb 25, 1982Filed: Feb 25, 1982Granted: Nov 20, 1984
Est. expiryFeb 25, 2002(expired)· nominal 20-yr term from priority
Inventors:Richard D. BrownHans D. Christen
39
PatentIndex Score
2
Cited by
19
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an impact drive sprinkler, substantially as shown and described.

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