USD269012SExpiredUtility

Impeller wheel blade for an abrasive blasting machine

39
Assignee: AUTO ALLOYS R & D LTDPriority: Nov 13, 1979Filed: May 13, 1980Granted: May 17, 1983
Est. expiryNov 13, 1999(expired)· nominal 20-yr term from priority
Inventors:William G. G. Tutton
39
PatentIndex Score
3
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an impeller wheel blade for an abrasive blasting machine, as shown and described.

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