1765906

Information

• Patent Grant
• 1765906

• References
• Source

• Patent Number

  1,765,906

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1930
  94 years ago

• CPC

  • B61L29/026 - Preventing access by means of obstacles raising across the route
  • E01F13/08 - by swinging into closed position about a transverse axis situated in the road surface
  • E01F13/105 - depressible by right-way traffic

• US Classifications

  • 246 - Railway switches and signals
  • 049 - Movable or removable closures