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1871668
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Information
Patent Grant
1871668
References
Source
Patent Number
1,871,668
Date Filed
Not available
Date Issued
Tuesday, August 16, 1932
92 years ago
CPC
B42F13/32 - the nesting portions of the rods and tubes being straight
Y10T403/33 - Transverse rod to spaced plate surfaces
Y10T403/7077 - for telescoping members
US Classifications
402 - Binder device releasably engaging aperture or notch of sheet
281 - Books, strips, and leaves
403 - Joints and connections
411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
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