2939321

Information

• Patent Grant
• 2939321

• References
• Source

• Patent Number

  2,939,321

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1960
  64 years ago

• CPC

  • G06K11/02 - Automatic curve followers
  • G05B19/122 - using cards, tapes or discs having conductive paths
  • G05B2219/23202 - Curve, surface represents analog value, line, surface follower
  • Y10T74/18152 - Belt or chain carried member
  • Y10T74/2102 - Adjustable
  • Y10T74/22 - Miscellaneous

• US Classifications

  • 074 - Machine element or mechanism
  • 318 - Electricity: motive power systems