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2590720
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Information
Patent Grant
2590720
References
Source
Patent Number
2,590,720
Date Filed
Not available
Date Issued
Tuesday, March 25, 1952
72 years ago
CPC
B22C21/02 - Sectional flasks
Y10T24/44974 - Threaded cylindrical rod and mating cavity
Y10T403/64 - Interconnected flanges or shoulders
US Classifications
164 - Metal founding
024 - Buckles, buttons, clasps, etc.
269 - Work holders
403 - Joints and connections
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