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2128064
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Information
Patent Grant
2128064
References
Source
Patent Number
2,128,064
Date Filed
Not available
Date Issued
Tuesday, August 23, 1938
85 years ago
CPC
E21C35/043 - Protection against overload during transfer of machines for slitting or completely freeing the mineral from the seam
Y10T477/363 - Electrically actuated brake
US Classifications
299 - Mining or in situ disintegration of hard material
173 - Tool driving or impacting
475 - Planetary gear transmission systems or components
477 - Interrelated power delivery controls, including engine control
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