USD668447SActiveUtility

Releasable base with four ferrules for crutch

67
Assignee: LAI HSIN-CHOUPriority: Oct 17, 2011Filed: Oct 17, 2011Granted: Oct 9, 2012
Est. expiryOct 17, 2031(~5.2 yrs left)· nominal 20-yr term from priority
Inventors:Hsin-Chou Lai
67
PatentIndex Score
19
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a releasable base with four ferrules for crutch, as shown and described.

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