3340394

Information

• Patent Grant
• 3340394

• References
• Source

• Patent Number

  3,340,394

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1967
  57 years ago

• CPC

  • B61L3/08 - controlling electrically

• US Classifications

  • 246 - Railway switches and signals
  • 303 - Fluid-pressure and analogous brake systems