USD307893SExpiredUtility

Magnetic recording disk cartridge

90
Assignee: MINNESOTA MINING & MFGPriority: Dec 2, 1988Filed: Dec 2, 1988Granted: May 15, 1990
Est. expiryDec 2, 2008(expired)· nominal 20-yr term from priority
Inventors:Arthur K. KatoVurnen J. LeonardOsamu SakuraiOsamu Koizumi
90
PatentIndex Score
41
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a magnetic recording disk cartridge, as shown and described.

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