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3519055
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Information
Patent Grant
3519055
References
Source
Patent Number
3,519,055
Date Filed
Not available
Date Issued
Tuesday, July 7, 1970
54 years ago
CPC
E05F15/603 - using rotary electromotors
E05F15/686 - by cables or ropes
E05F15/78 - using light beams
E05Y2900/106 - for garages
US Classifications
160 - Flexible or portable closure, partition, or panel
049 - Movable or removable closures
212 - Traversing hoists
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