1401511

Information

• Patent Grant
• 1401511

• References
• Source

• Patent Number

  1,401,511

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1921
  103 years ago

• CPC

  • B61L5/162 - Wiring diagrams

• US Classifications

  • 246 - Railway switches and signals
  • 049 - Movable or removable closures