USD315359SExpiredUtility

Ink ribbon cassette for electronic typewriter

Assignee: CANON KKPriority: May 11, 1988Filed: Nov 10, 1988Granted: Mar 12, 1991
Est. expiryMay 11, 2008(expired)· nominal 20-yr term from priority
41
PatentIndex Score
3
Cited by
7
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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