USD312864SExpiredUtility

Lawn sprinkler head

17
Assignee: CALIBRON INCPriority: Jan 4, 1988Filed: Jan 4, 1988Granted: Dec 11, 1990
Est. expiryJan 4, 2008(expired)· nominal 20-yr term from priority
Inventors:Dennis P. WherryMartin C. O'BrienRobert L. HorianBruce M. Mcpherson
17
PatentIndex Score
1
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a lawn sprinkler head, as shown and described.

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