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1884447
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Information
Patent Grant
1884447
References
Source
Patent Number
1,884,447
Date Filed
Not available
Date Issued
Tuesday, October 25, 1932
93 years ago
CPC
E06B11/023 - where the gate opens within the plane of the gate
E01F13/046 - the obstructing members moving up in a translatory motion
E04H3/08 - Hospitals, infirmaries, or the like Schools Prisons
E06B11/02 - Gates Doors
US Classifications
256 - Fences
049 - Movable or removable closures
404 - Road structure, process, or apparatus
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