USD373144SExpiredUtility
Mathematic teaching rack
Individually held — no corporate assignee on recordPriority: Jun 6, 1994Filed: Jun 6, 1994Granted: Aug 27, 1996
Est. expiryJun 6, 2014(expired)· nominal 20-yr term from priority
Inventors:Alice M. Hansen
13
PatentIndex Score
2
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for the mathematic teaching rack, as shown and described.
Join the waitlist — get patent alerts
Track USD373144S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.