3824893

Information

• Patent Grant
• 3824893

• References
• Source

• Patent Number

  3,824,893

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • B23Q35/34 - in which the feeler varies an electrical characteristic in a circuit
  • Y10T409/303584 - Photocell

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 033 - Geometrical instruments
  • 250 - Radiant energy