1620443

Information

• Patent Grant
• 1620443

• References
• Source

• Patent Number

  1,620,443

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1927
  97 years ago

• CPC

  • B61L1/04 - mechanically actuated by a part of the vehicle

• US Classifications

  • 246 - Railway switches and signals