1682300

Information

• Patent Grant
• 1682300

• References
• Source

• Patent Number

  1,682,300

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1928
  96 years ago

• CPC

  • B61L5/206 - Signalling means for special purposes

• US Classifications

  • 362 - Illumination
  • 340 - Communications: electrical