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2779255
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Information
Patent Grant
2779255
References
Source
Patent Number
2,779,255
Date Filed
Not available
Date Issued
Tuesday, January 29, 1957
68 years ago
CPC
B31B41/00 - Machinery characterised by making envelopes or bags of other specific form or construction
B31B2241/008 - Making suction cleaner bags
Y10S55/05 - Methods of making filter
Y10S493/962 - Closure
US Classifications
493 - Manufacturing container or tube from paper
055 - Gas separation
271 - Sheet feeding or delivering
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