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3604067
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Information
Patent Grant
3604067
References
Source
Patent Number
3,604,067
Date Filed
Not available
Date Issued
Tuesday, September 14, 1971
53 years ago
CPC
B42F15/0029 - suspended in the middle
B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
B42F21/00 - Indexing means Indexing tabs or protectors therefor
Y10S402/50 - Binder with tab or fastener for securing sheet
Y10T24/20 - Paper fastener
Y10T24/3427 - Clasp
Y10T24/49 - Fastener destructively secured by reshaping distortion force [e.g., ductile fastener]
US Classifications
024 - Buckles, buttons, clasps, etc.
402 - Binder device releasably engaging aperture or notch of sheet
D19 - Office supplies
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