USD250514SExpiredUtility
Coil spring test stand
Individually held — no corporate assignee on recordPriority: Mar 14, 1977Filed: Mar 14, 1977Granted: Dec 12, 1978
Est. expiryMar 14, 1997(expired)· nominal 20-yr term from priority
Inventors:Richard C. Etchison
51
PatentIndex Score
6
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a coil spring test stand, as shown and described.
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