USD483499SExpiredUtility
Portable sidewalk
Priority: Oct 23, 2001Filed: Oct 23, 2001Granted: Dec 9, 2003
Est. expiryOct 23, 2021(expired)· nominal 20-yr term from priority
Inventors:Kenneth A. Payne
54
PatentIndex Score
11
Cited by
19
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a portable sidewalk, as shown and described.
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