USD310998SExpiredUtility

Expansion unit for a personal computer

Assignee: IBMPriority: Apr 14, 1987Filed: Apr 14, 1987Granted: Oct 2, 1990
Est. expiryApr 14, 2007(expired)· nominal 20-yr term from priority
87
PatentIndex Score
28
Cited by
5
References
1
Claims

Claims

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

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