USD302828SExpiredUtility

Ink ribbon cassette for electronic typewriter

43
Assignee: CANON KKPriority: Feb 9, 1987Filed: Apr 28, 1987Granted: Aug 15, 1989
Est. expiryFeb 9, 2007(expired)· nominal 20-yr term from priority
Inventors:Aiko EndoYasuo Ohba
43
PatentIndex Score
4
Cited by
11
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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