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2661940
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Information
Patent Grant
2661940
References
Source
Patent Number
2,661,940
Date Filed
Not available
Date Issued
Tuesday, December 8, 1953
70 years ago
CPC
E21C25/28 - Chains or chain guides
Y10T83/7264 - With special blade guide means
Y10T83/9346 - Uniformly varying teeth or tooth spacing
Y10T83/9367 - Teeth having cutting edge perpendicular to blade surface
US Classifications
299 - Mining or in situ disintegration of hard material
083 - Cutting
474 - Endless belt power transmission systems or components
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