3171621

Information

• Patent Grant
• 3171621

• References
• Source

• Patent Number

  3,171,621

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1965
  59 years ago

• CPC

  • B61L17/026 - Brake devices
  • B61K7/04 - with clamping action

• US Classifications

  • 246 - Railway switches and signals
  • 104 - Railways
  • 250 - Radiant energy