2226677

Information

• Patent Grant
• 2226677

• References
• Source

• Patent Number

  2,226,677

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1940
  85 years ago

• CPC

  • B23Q35/128 - Sensing by using optical means
  • Y10T74/19172 - Reversal of direction of power flow changes power transmission to alternate path
  • Y10T409/301792 - including means to sense optical or magnetic image
  • Y10T409/30196 - to actuate electrically driven work or tool moving means
  • Y10T409/302016 - to actuate fluid driven work or tool moving means

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 033 - Geometrical instruments
  • 074 - Machine element or mechanism
  • 112 - Sewing
  • 250 - Radiant energy