USD258211SExpiredUtility

Head for a contour forming underwater vacuum sweep

57
Assignee: MAXI SWEEP INCPriority: Apr 27, 1978Filed: Apr 27, 1978Granted: Feb 10, 1981
Est. expiryApr 27, 1998(expired)· nominal 20-yr term from priority
Inventors:Marty St. Martin
57
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a head for a contour forming underwater vacuum sweep, as shown and described.

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