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2223132
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Information
Patent Grant
2223132
References
Source
Patent Number
2,223,132
Date Filed
Not available
Date Issued
Tuesday, November 26, 1940
84 years ago
CPC
E21B19/16 - Connecting or disconnecting pipe couplings or joints
Y10T24/3969 - Sliding part or wedge
Y10T279/1946 - Rack-and-pinion actuated
US Classifications
279 - Chucks or sockets
024 - Buckles, buttons, clasps, etc.
081 - Tools
294 - Handling: hand and hoist-line implements
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