USD242915SExpiredUtility
Transparency viewer
Individually held — no corporate assignee on recordPriority: Jul 17, 1975Filed: Jul 17, 1975Granted: Jan 4, 1977
Est. expiryJul 17, 1995(expired)· nominal 20-yr term from priority
Inventors:Robert Wang
46
PatentIndex Score
3
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a transparency viewer, substantially as shown.
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