USD313459SExpiredUtility
Sprinkler for fighting fires in oil refineries and the like
Est. expiryMay 21, 2007(expired)· nominal 20-yr term from priority
27
PatentIndex Score
1
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a sprinkler for fighting fire in oil refineries or the like, as shown and described.
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