USD350172SExpiredUtility
Exercise spring
Individually held — no corporate assignee on recordPriority: Oct 14, 1992Filed: Oct 14, 1992Granted: Aug 30, 1994
Est. expiryOct 14, 2012(expired)· nominal 20-yr term from priority
Inventors:Ellen R. Rusk
21
PatentIndex Score
1
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an exercise spring, as shown and described.
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