USD257149SExpiredUtility

Paving crack sealer machine

Assignee: CRAFCO INCPriority: Mar 13, 1978Filed: Mar 13, 1978Granted: Sep 30, 1980
Est. expiryMar 13, 1998(expired)· nominal 20-yr term from priority
55
PatentIndex Score
5
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a paving crack sealer machine, as shown.

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