USD256250SExpiredUtility
Collapsible periscope
Individually held — no corporate assignee on recordPriority: Mar 13, 1978Filed: Mar 13, 1978Granted: Aug 5, 1980
Est. expiryMar 13, 1998(expired)· nominal 20-yr term from priority
Inventors:Richard T. Tosaw
25
PatentIndex Score
1
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a collapsible periscope, as shown and described.
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