USD347628SExpiredUtility

Computer trackball

82
Assignee: MICROSOFT CORPPriority: Dec 23, 1992Filed: Dec 23, 1992Granted: Jun 7, 1994
Est. expiryDec 23, 2012(expired)· nominal 20-yr term from priority
Inventors:Stuart AshmunCharlie GarthwaiteBridget CameronPaul E. BradleyJames R. YurchencoElinor J. Fulton
82
PatentIndex Score
24
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a computer trackball, as shown and described.

Join the waitlist — get patent alerts

Track USD347628S — get alerts on status changes and closely related new filings.

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