USD306316SExpiredUtility

Twin-nibbed marking instrument

Assignee: SHINTANI KOICHIPriority: Apr 24, 1987Filed: Apr 24, 1987Granted: Feb 27, 1990

Est. expiryApr 24, 2007(expired)· nominal 20-yr term from priority

PatentIndex Score

101

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References

Claims

exact text as granted — not AI-modified

The ornamental design for a twin-nibbed marking instrument, as shown and described.

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