USD661853SActiveUtility

Floor cleaning machine

91
Assignee: DAMMKOEHLER DENISPriority: Aug 12, 2010Filed: Feb 4, 2011Granted: Jun 12, 2012
Est. expiryAug 12, 2030(~4.1 yrs left)· nominal 20-yr term from priority
Inventors:Denis Dammkoehler
91
PatentIndex Score
40
Cited by
50
References
1
Claims

Claims

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

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