1761668

Information

• Patent Grant
• 1761668

• References
• Source

• Patent Number

  1,761,668

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1930
  94 years ago

• CPC

  • H05B31/0039 - Projectors, the construction of which depends upon the presence of the arc
  • Y10T74/18432 - Shiftable driven gear

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 074 - Machine element or mechanism