USD320228SExpiredUtility

Paper binder

60
Assignee: CANON KKPriority: Apr 13, 1989Filed: Oct 10, 1989Granted: Sep 24, 1991
Est. expiryApr 13, 2009(expired)· nominal 20-yr term from priority
Inventors:Masataka IsomotoMitsuru Sakurai
60
PatentIndex Score
8
Cited by
11
References
1
Claims

Claims

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

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