USD251642SExpiredUtility

Spring coil

82
Assignee: WEBSTER SPRING COPriority: Jan 31, 1977Filed: Jan 31, 1977Granted: Apr 24, 1979
Est. expiryJan 31, 1997(expired)· nominal 20-yr term from priority
Inventors:Henry R. Ramsey
82
PatentIndex Score
16
Cited by
1
References
1
Claims

Claims

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

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