USD270644SExpiredUtility

Microfilm viewer

28
Assignee: GRAYSCALE LABS INCPriority: Apr 24, 1981Filed: Apr 24, 1981Granted: Sep 20, 1983
Est. expiryApr 24, 2001(expired)· nominal 20-yr term from priority
Inventors:William C. Kinney
28
PatentIndex Score
4
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a microfilm viewer, as shown and described.

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