2574474

Information

• Patent Grant
• 2574474

• References
• Source

• Patent Number

  2,574,474

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1951
  73 years ago

• CPC

  • B61L1/04 - mechanically actuated by a part of the vehicle
  • B61K9/12 - Measuring or surveying wheel-rims

• US Classifications

  • 246 - Railway switches and signals