2721989

Information

• Patent Grant
• 2721989

• References
• Source

• Patent Number

  2,721,989

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1955
  69 years ago

• CPC

  • G05B19/4207 - in which a model is traced or scanned and corresponding data recorded
  • G05B2219/35354 - Polar coordinates, turntable
  • G05B2219/36591 - Tape moves synchronized with machine driven axis
  • G05B2219/45243 - Shoe, footwear making
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]
  • Y10T409/302632 - with provision for circumferential relative movement of cutter and work

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 012 - Boot and shoe making
  • 033 - Geometrical instruments
  • 318 - Electricity: motive power systems
  • 340 - Communications: electrical
  • 341 - Coded data generation or conversion
  • 346 - Recorders
  • 409 - Gear cutting, milling, or planing