USD255358SExpiredUtility
Floor cleaning apparatus
Individually held — no corporate assignee on recordPriority: Jun 6, 1977Filed: Jun 6, 1977Granted: Jun 10, 1980
Est. expiryJun 6, 1997(expired)· nominal 20-yr term from priority
Inventors:Robert Bartlett
31
PatentIndex Score
0
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a floor cleaning apparatus, as shown.
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