3699329

Information

• Patent Grant
• 3699329

• References
• Source

• Patent Number

  3,699,329

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • B61K7/10 - electrodynamic

• US Classifications

  • 246 - Railway switches and signals
  • 104 - Railways