1759742

Information

• Patent Grant
• 1759742

• References
• Source

• Patent Number

  1,759,742

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1930
  94 years ago

• CPC

  • B61L29/224 - using rail contacts

• US Classifications

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