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2287741
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Information
Patent Grant
2287741
References
Source
Patent Number
2,287,741
Date Filed
Not available
Date Issued
Tuesday, June 23, 1942
82 years ago
CPC
E06B3/5063 - the vertical sliding wings having the possibility of an additional rotational movement
E06B3/50 - with more than one kind of movement
Y10T292/0885 - Roller
US Classifications
049 - Movable or removable closures
292 - Closure fasteners
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