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2704546
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Information
Patent Grant
2704546
References
Source
Patent Number
2,704,546
Date Filed
Not available
Date Issued
Tuesday, March 22, 1955
70 years ago
CPC
B42F13/0006 - Covers for loose-leaf binders
B42F13/408 - with sheet rests or sheet lifters
US Classifications
402 - Binder device releasably engaging aperture or notch of sheet
281 - Books, strips, and leaves
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