USD262195SExpiredUtility
Perspective T-square
Individually held — no corporate assignee on recordPriority: Jan 9, 1980Filed: Jan 9, 1980Granted: Dec 8, 1981
Est. expiryJan 9, 2000(expired)· nominal 20-yr term from priority
Inventors:Richard I. Koontz
17
PatentIndex Score
2
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a perspective T-square, as shown and described.
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