2472251

Information

• Patent Grant
• 2472251

• References
• Source

• Patent Number

  2,472,251

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1949
  75 years ago

• CPC

  • B62B3/0637 - using flexible mechanical lifting mechanisms
  • B66C19/02 - collapsible

• US Classifications

  • 248 - Supports