USD290844SExpiredUtility

Disc drive

84
Assignee: HITACHI LTDPriority: Nov 19, 1984Filed: Nov 19, 1984Granted: Jul 14, 1987
Est. expiryNov 19, 2004(expired)· nominal 20-yr term from priority
Inventors:Shinji ShibuyaKoushirou AdachiYasuji Morishita
84
PatentIndex Score
20
Cited by
5
References
1
Claims

Claims

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

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