1421549

Information

• Patent Grant
• 1421549

• References
• Source

• Patent Number

  1,421,549

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1922
  102 years ago

• CPC

  • B60Q1/1492 - Foot actuated switches

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 307 - Electrical transmission or interconnection systems