USD288898SExpiredUtility
Retractable knife
Est. expiryJul 24, 2004(expired)· nominal 20-yr term from priority
Inventors:Ralph F. Osterhout
93
PatentIndex Score
32
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a retractable knife, as shown and described.
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