1710519

Information

• Patent Grant
• 1710519

• References
• Source

• Patent Number

  1,710,519

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1929
  95 years ago

• CPC

  • B61L21/02 - Mechanical locking and release of the route Repeat locks Coupling of semaphores

• US Classifications

  • 246 - Railway switches and signals