1875981

Information

• Patent Grant
• 1875981

• References
• Source

• Patent Number

  1,875,981

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1932
  91 years ago

• CPC

  • B60C7/20 - disposed circumferentially relative to wheel axis
  • H01K1/325 - Reflecting coating

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 065 - Glass manufacturing
  • 362 - Illumination
  • D26 - Lighting