USD307436SExpiredUtility

Ink ribbon cassette for electronic typewriter

47
Assignee: CANON KKPriority: Jun 17, 1986Filed: Dec 15, 1986Granted: Apr 24, 1990
Est. expiryJun 17, 2006(expired)· nominal 20-yr term from priority
Inventors:Aiko EndoKoh Hasegawa
47
PatentIndex Score
5
Cited by
10
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.

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.