USD344097SExpiredUtility
Math teaching board for special education students
Individually held — no corporate assignee on recordPriority: Mar 22, 1991Filed: Mar 22, 1991Granted: Feb 8, 1994
Est. expiryMar 22, 2011(expired)· nominal 20-yr term from priority
Inventors:Freddie Green
38
PatentIndex Score
7
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a math teaching board for special education students, as shown.
Join the waitlist — get patent alerts
Track USD344097S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.