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3653780
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Information
Patent Grant
3653780
References
Source
Patent Number
3,653,780
Date Filed
Not available
Date Issued
Tuesday, April 4, 1972
52 years ago
CPC
B23G1/48 - for guiding the threading tools
B23G2210/04 - Internal threads
Y10T82/2568 - Center
Y10T408/96 - Miscellaneous
US Classifications
408 - Cutting by use of rotating axially moving tool
082 - Turning
470 - Threaded, headed fastener, or washer making: process and apparatus
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