3157971

Information

• Patent Grant
• 3157971

• References
• Source

• Patent Number

  3,157,971

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1964
  60 years ago

• CPC

  • F15B21/08 - Servomotor systems incorporating electrically operated control means
  • B24B49/04 - involving measurement of the workpiece at the place of grinding during grinding operation
  • B24B49/045 - Specially adapted gauging instruments
  • B24B49/06 - requiring comparison of the workpiece with standard gauging plugs, rings or the like

• US Classifications

  • 451 - Abrading