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1211158
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Information
Patent Grant
1211158
References
Source
Patent Number
1,211,158
Date Filed
Not available
Date Issued
Tuesday, January 2, 1917
108 years ago
CPC
B42F3/00 - Sheets temporarily attached together involving perforations Means therefor Sheet details therefor
Y10S24/901 - Penetrating-type paper fastener
Y10T24/493 - and distinct fastener structure cooperating with impaled structure
US Classifications
024 - Buckles, buttons, clasps, etc.
402 - Binder device releasably engaging aperture or notch of sheet
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