USD353619SExpiredUtility

Erasable four-color pen

53
Individually held — no corporate assignee on recordPriority: Feb 5, 1993Filed: Feb 5, 1993Granted: Dec 20, 1994
Est. expiryFeb 5, 2013(expired)· nominal 20-yr term from priority
Inventors:Timothy D. Kneller
53
PatentIndex Score
14
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an erasable four-color pen, as shown and described.

Join the waitlist — get patent alerts

Track USD353619S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.