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3923575
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Information
Patent Grant
3923575
References
Source
Patent Number
3,923,575
Date Filed
Not available
Date Issued
Tuesday, December 2, 1975
48 years ago
CPC
B65D65/406 - with at least one layer provided with a relief other than corrugations
B65D65/38 - Packaging materials of special type or form
E04C2/3405 - spaced apart by profiled spacer sheets
E04C2002/3472 - with multiple layers of profiled spacer sheets
E04C2002/3483 - spaced apart by spacers stamped from the sheets
E04C2002/3494 - Apparatus for making profiled spacer sheets
Y10T156/1026 - with slitting or removal of material at reshaping area prior to reshaping
Y10T156/1056 - Perforating lamina
Y10T156/1074 - Separate cutting of separate sheets or webs
Y10T428/24289 - Embedded or interlocked
US Classifications
156 - Adhesive bonding and miscellaneous chemical manufacture
428 - Stock material or miscellaneous articles
493 - Manufacturing container or tube from paper
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