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63682
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Information
Patent Grant
63682
References
Source
Patent Number
63,682
Date Filed
Not available
Date Issued
Tuesday, April 9, 1867
157 years ago
CPC
E21B19/083 - Cam, rack or like feed mechanisms
Y10T74/1508 - Rotary crank or eccentric drive
Y10T74/1616 - Cyclical displacement responsive to the alternating-motion
US Classifications
074 - Machine element or mechanism
173 - Tool driving or impacting
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