USD311421SExpiredUtility
Combined writing instrument grip and eraser holder
Individually held — no corporate assignee on recordPriority: Dec 18, 1987Filed: Dec 18, 1987Granted: Oct 16, 1990
Est. expiryDec 18, 2007(expired)· nominal 20-yr term from priority
Inventors:Jerry S. Mardock
57
PatentIndex Score
15
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an combined writing instrument grip and eraser holder, as shown and described.
Join the waitlist — get patent alerts
Track USD311421S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.