1799728

Information

• Patent Grant
• 1799728

• References
• Source

• Patent Number

  1,799,728

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1931
  94 years ago

• CPC

  • B61L29/02 - Guards or obstacles for preventing access to the route
  • B61L29/04 - Gates for level crossings
  • E01F13/06 - by swinging into open position about a vertical or horizontal axis parallel to the road direction
  • Y10T292/0938 - Operating means

• US Classifications

  • 049 - Movable or removable closures
  • 292 - Closure fasteners