USD253116SExpiredUtility
Device for moving a writing instrument in a repetitive pattern
Est. expiryMay 23, 1997(expired)· nominal 20-yr term from priority
Inventors:Akio Tsuyuki
38
PatentIndex Score
2
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a device for moving a writing instrument in a repetitive pattern, substantially as shown and described.
Join the waitlist — get patent alerts
Track USD253116S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.