USD301967SExpiredUtility

Power concrete hammer

96
Assignee: RYOBI LTDPriority: Feb 11, 1986Filed: Jul 22, 1986Granted: Jul 4, 1989
Est. expiryFeb 11, 2006(expired)· nominal 20-yr term from priority
Inventors:Masakazu SakamotoToshiaki Saito
96
PatentIndex Score
48
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a power concrete hammer, as shown.

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