USD255567SExpiredUtility

Ribbon cassette

38
Assignee: LITTON BUSINESS SYSTEMS INCPriority: Nov 21, 1977Filed: Nov 21, 1977Granted: Jun 24, 1980
Est. expiryNov 21, 1997(expired)· nominal 20-yr term from priority
Inventors:Myron Beitler
38
PatentIndex Score
2
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ribbon cassette, as shown.

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