3259989

Information

• Patent Grant
• 3259989

• References
• Source

• Patent Number

  3,259,989

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1966
  58 years ago

• CPC

  • G05D3/14 - using an analogue comparing device
  • B25D5/02 - Automatic centre punches
  • G01B7/28 - for measuring contours or curvatures
  • G01B7/282 - for measuring roundness
  • G01B21/20 - for measuring contours or curvatures

• US Classifications

  • 033 - Geometrical instruments
  • 318 - Electricity: motive power systems