USD392179SExpiredUtility

Spring screw

79
Assignee: FIBOX OY ABPriority: Dec 1, 1995Filed: May 31, 1996Granted: Mar 17, 1998
Est. expiryDec 1, 2015(expired)· nominal 20-yr term from priority
Inventors:Matti RopponenHeikki Merilainen
79
PatentIndex Score
24
Cited by
6
References
1
Claims

Claims

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

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