USD349790SExpiredUtility

Blast head for an abrasive cleaning machine

33
Individually held — no corporate assignee on recordPriority: Sep 2, 1992Filed: Sep 2, 1992Granted: Aug 16, 1994
Est. expirySep 2, 2012(expired)· nominal 20-yr term from priority
Inventors:Robert E. Hoover
33
PatentIndex Score
3
Cited by
19
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a blast head for an abrasive cleaning machine, as shown and described.

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