3729890

Information

• Patent Grant
• 3729890

• References
• Source

• Patent Number

  3,729,890

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • E04H15/505 - characterised by connecting arches with lazy-tongues
  • B66C7/00 - Runways, tracks or trackways for trolleys or cranes
  • E04B1/34368 - Wheeled arch-type structures
  • B66C2700/035 - Construction details related to the travelling, to the supporting of the crane or to the blocking of the axles Outriggers Coupling of the travelling mechanism to the crane mechanism

• US Classifications

  • 052 - Static structures
  • 104 - Railways
  • 105 - Railway rolling stock
  • 135 - Tent, canopy, umbrella, or cane
  • 295 - Railway wheels and axles