USD318870SExpiredUtility

Ink ribbon cassette for electronic typewriter

Assignee: CANON KKPriority: Sep 9, 1987Filed: Mar 8, 1988Granted: Aug 6, 1991
Est. expirySep 9, 2007(expired)· nominal 20-yr term from priority
Inventors:Fumiya Matsuoka
64
PatentIndex Score
10
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an ink ribbon cassette for electronic typewriter, as shown and described.

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