2978689

Information

• Patent Grant
• 2978689

• References
• Source

• Patent Number

  2,978,689

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  63 years ago

• CPC

  • B23Q17/0947 - Monitoring devices for measuring cutting angles
  • G01N19/02 - Measuring coefficient of friction between materials
  • Y10S408/71 - Safety device
  • Y10T82/2535 - Electrical type
  • Y10T408/14 - Responsive to condition of Tool or tool-drive
  • Y10T408/172 - Responsive to Tool
  • Y10T408/21 - with signal, indicator, illuminator or optical means

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 082 - Turning