USD336346SExpiredUtility

Collapisble bollard

94
Assignee: UNIV PENNSYLVANIAPriority: Feb 14, 1992Filed: Feb 14, 1992Granted: Jun 8, 1993
Est. expiryFeb 14, 2012(expired)· nominal 20-yr term from priority
Inventors:James M. MillerJames A. Wargo
94
PatentIndex Score
70
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a collapsible bollard, as shown and described.

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