2491621

Information

• Patent Grant
• 2491621

• References
• Source

• Patent Number

  2,491,621

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1949
  75 years ago

• CPC

  • A47L3/02 - Cages Platforms
  • F16H29/02 - between one of the shafts and an oscillating of reciprocating intermediate member, not rotating with either of the shafts

• US Classifications

  • 182 - Fire escape, ladder, or scaffold