1440754

Information

• Patent Grant
• 1440754

• References
• Source

• Patent Number

  1,440,754

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1923
  102 years ago

• CPC

  • E01B7/28 - Crossings
  • E01B7/00 - Switches Crossings
  • E01B2202/024 - about vertical axis
  • E01B2202/025 - Pure translation
  • E01B2202/042 - Sliding

• US Classifications

  • 246 - Railway switches and signals