USD257728SExpiredUtility

Typewriter

38
Individually held — no corporate assignee on recordPriority: Jan 15, 1979Filed: Jan 15, 1979Granted: Dec 30, 1980
Est. expiryJan 15, 1999(expired)· nominal 20-yr term from priority
Inventors:Barry S. HersteinRobert Salmon
38
PatentIndex Score
2
Cited by
2
References
1
Claims

Claims

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

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