USD302451SExpiredUtility

Stair climbing exercise apparatus

85
Assignee: PRECOR INCPriority: Feb 6, 1987Filed: Feb 6, 1987Granted: Jul 25, 1989
Est. expiryFeb 6, 2007(expired)· nominal 20-yr term from priority
Inventors:John W. BullDavid Smith
85
PatentIndex Score
23
Cited by
38
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a stair climbing exercise apparatus, as shown and described.

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