USD271304SExpiredUtility
Welding seam back-up extrusion
Individually held — no corporate assignee on recordPriority: Jul 14, 1980Filed: Jul 14, 1980Granted: Nov 8, 1983
Est. expiryJul 14, 2000(expired)· nominal 20-yr term from priority
Inventors:Milo M. Kensrue
56
PatentIndex Score
6
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a welding seam back-up extrusion, as shown and described.
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