USD263838SExpiredUtility
Plastic pipe heat fusion tool
Individually held — no corporate assignee on recordPriority: Nov 19, 1979Filed: Nov 19, 1979Granted: Apr 13, 1982
Est. expiryNov 19, 1999(expired)· nominal 20-yr term from priority
Inventors:Charles S. Villyard
16
PatentIndex Score
0
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a plastic pipe heat fusion tool, as shown and described.
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