USD297060SExpiredUtility

Vacuum cleaning machine

61
Assignee: RUG DOCTOR INCPriority: Jul 17, 1985Filed: Jul 17, 1985Granted: Aug 2, 1988
Est. expiryJul 17, 2005(expired)· nominal 20-yr term from priority
Inventors:Willie Dee Kent
61
PatentIndex Score
9
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a vacuum cleaning machine, as shown.

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