USD439732SExpiredUtility

Track spike

56
Priority: Aug 11, 1997Filed: Sep 9, 1999Granted: Apr 3, 2001
Est. expiryAug 11, 2017(expired)· nominal 20-yr term from priority
Inventors:David F. Grant
56
PatentIndex Score
9
Cited by
2
References
1
Claims

Claims

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

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