3449540

Information

• Patent Grant
• 3449540

• References
• Source

• Patent Number

  3,449,540

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  55 years ago

• CPC

  • G05B19/353 - with speed feedback only
  • B23K11/248 - Electric supplies using discharge tubes
  • G05B19/425 - Teaching successive positions by numerical control
  • G05B2219/36589 - Making control tape
  • G05B2219/45135 - Welding
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]

• US Classifications

  • 219 - Electric heating
  • 228 - Metal fusion bonding
  • 318 - Electricity: motive power systems
  • 409 - Gear cutting, milling, or planing