USD318545SExpiredUtility
Carpet cleaning tool
Assignee: SHELL CHEMICAL AUSTRALIA PTY LIMITEDPriority: Jul 24, 1987Filed: Jan 14, 1988Granted: Jul 23, 1991
Est. expiryJul 24, 2007(expired)· nominal 20-yr term from priority
Inventors:James E. Calnin
23
PatentIndex Score
2
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a carpet cleaning tool, as shown and described.
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