USD255772SExpiredUtility

Quarter-turn fastener

84
Assignee: UNITED PRODUCTS INCPriority: Oct 4, 1977Filed: Oct 4, 1977Granted: Jul 8, 1980
Est. expiryOct 4, 1997(expired)· nominal 20-yr term from priority
Inventors:Norman S. JohnsonRobert J. Trotter
84
PatentIndex Score
37
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a quarter-turn fastener, as shown and described.

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