USD255797SExpiredUtility

Plow shank

52
Assignee: AGROWPLOW PTY LTDPriority: Nov 21, 1977Filed: Apr 5, 1978Granted: Jul 8, 1980
Est. expiryNov 21, 1997(expired)· nominal 20-yr term from priority
Inventors:John W. Ryan
52
PatentIndex Score
4
Cited by
2
References
1
Claims

Claims

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

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