3150743

Information

• Patent Grant
• 3150743

• References
• Source

• Patent Number

  3,150,743

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1964
  60 years ago

• CPC

  • E04G1/28 - designed to provide support only at a low height
  • E06C1/24 - Non-hinged free-standing ladders
  • E06C1/39 - Ladders having platforms Ladders changeable into platforms
  • E06C1/397 - characterised by having wheels, rollers, or runners

• US Classifications

  • 182 - Fire escape, ladder, or scaffold