USD308070SExpiredUtility

Ribbon cassette

31
Assignee: SMITH CORONA CORPPriority: Nov 30, 1987Filed: Nov 30, 1987Granted: May 22, 1990
Est. expiryNov 30, 2007(expired)· nominal 20-yr term from priority
Inventors:Hans W. MuellerKenneth D. Vought
31
PatentIndex Score
0
Cited by
45
References
1
Claims

Claims

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

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