USD273622SExpiredUtility

Floor maintenance machine

89
Assignee: TENNANT COPriority: Sep 10, 1982Filed: Sep 10, 1982Granted: Apr 24, 1984
Est. expirySep 10, 2002(expired)· nominal 20-yr term from priority
Inventors:Neil F. BrownRoger D. StarLogan Johnson
89
PatentIndex Score
28
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a floor maintenance machine, substantially as shown.

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