USD271236SExpiredUtility

Semi-automatic bailer plug

17
Assignee: PAT N MACPriority: Oct 1, 1980Filed: Oct 1, 1980Granted: Nov 1, 1983
Est. expiryOct 1, 2000(expired)· nominal 20-yr term from priority
Inventors:William C. PatriarcaLeonard J. Mcgraw
17
PatentIndex Score
0
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a semi-automatic bailer plug, as shown and described.

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