USD257443SExpiredUtility
Four-bladed arrow point
Individually held — no corporate assignee on recordPriority: Jan 25, 1979Filed: Jan 25, 1979Granted: Oct 21, 1980
Est. expiryJan 25, 1999(expired)· nominal 20-yr term from priority
Inventors:Roger S. Erlandson
56
PatentIndex Score
6
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a four-bladed arrow point, substantially as shown.
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