3433900

Information

• Patent Grant
• 3433900

• References
• Source

• Patent Number

  3,433,900

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1969
  55 years ago

• CPC

  • B23B47/26 - Liftable or lowerable drill heads or headstocks Balancing arrangements therefor
  • B23B39/12 - Radial drilling machines
  • B23Q5/36 - in which a servomotor forms an essential element
  • H04M3/58 - Arrangements for transferring received calls from one subscriber to another Arrangements affording interim conversations between either the calling or the called party and a third party
  • H04Q3/42 - Circuit arrangements for indirect selecting controlled by common circuits
  • H04Q11/04 - for time-division multiplexing

• US Classifications

  • 370 - Multiplex communications