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2532487
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Information
Patent Grant
2532487
References
Source
Patent Number
2,532,487
Date Filed
Not available
Date Issued
Tuesday, December 5, 1950
73 years ago
CPC
B42D3/16 - with means for holding books open
B42D5/006 - combined with auxiliary devices
B42D5/008 - with means for engaging sheet perforations or slots
Y10T24/44855 - Terminal end of resilient member having engagement or disengagement enhancing structural modifications
US Classifications
024 - Buckles, buttons, clasps, etc.
248 - Supports
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