3918665

Information

• Patent Grant
• 3918665

• References
• Source

• Patent Number

  3,918,665

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • E01B7/00 - Switches Crossings
  • E01B2202/024 - about vertical axis
  • E01B2202/048 - with rolls on moving part

• US Classifications

  • 246 - Railway switches and signals
  • 104 - Railways