USD268842SExpiredUtility
Ore concentrating tray
Individually held — no corporate assignee on recordPriority: Jun 23, 1980Filed: Jun 23, 1980Granted: May 3, 1983
Est. expiryJun 23, 2000(expired)· nominal 20-yr term from priority
Inventors:Charles O. Gordon, Jr.
48
PatentIndex Score
5
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an ore concentrating tray, as shown.
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