2891384

Information

• Patent Grant
• 2891384

• References
• Source

• Patent Number

  2,891,384

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1959
  65 years ago

• CPC

  • B23Q35/36 - for control of a hydraulic or pneumatic copying system
  • B23Q35/12 - involving electrical means
  • B23Q35/122 - the feeler opening or closing electrical contacts
  • B23Q35/18 - involving fluid means
  • B23Q35/32 - in which the feeler makes and breaks an electrical contact or contacts
  • B23Q2735/065 - in a milling machine
  • Y10T409/30168 - with means for operation without manual intervention

• US Classifications

  • 091 - Motors: expansible chamber type
  • 251 - Valves and valve actuation
  • 409 - Gear cutting, milling, or planing