USD319119SExpiredUtility

Carpet cleaning tool

48
Assignee: SHELL CHEMICAL AUSTRALIA PROPRIETORY LTDPriority: Jul 24, 1987Filed: Jan 14, 1988Granted: Aug 13, 1991
Est. expiryJul 24, 2007(expired)· nominal 20-yr term from priority
Inventors:James E. Calnin
48
PatentIndex Score
9
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a carpet cleaning tool, as shown and described.

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