USD257845SExpiredUtility

Sweeper

88
Assignee: TENNANT COPriority: May 12, 1978Filed: May 12, 1978Granted: Jan 13, 1981
Est. expiryMay 12, 1998(expired)· nominal 20-yr term from priority
Inventors:Ralph C. PeabodyRobert D. Hennessey
88
PatentIndex Score
25
Cited by
3
References
1
Claims

Claims

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

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