USD277858SExpiredUtility

Magnetic disc

71
Assignee: SONY CORPPriority: Sep 30, 1982Filed: Mar 29, 1983Granted: Mar 5, 1985
Est. expirySep 30, 2002(expired)· nominal 20-yr term from priority
Inventors:Katsumasa TakahashiKatsutoshi Kikuchi
71
PatentIndex Score
11
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a magnetic disc, as shown.

Join the waitlist — get patent alerts

Track USD277858S — get alerts on status changes and closely related new filings.

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