2229987

Information

• Patent Grant
• 2229987

• References
• Source

• Patent Number

  2,229,987

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1941
  84 years ago

• CPC

  • E06C5/16 - using mechanical transmission only, with or without fluid or other non-mechanical couplings or clutches
  • E06C5/04 - capable of being elevated or extended Fastening means during transport

• US Classifications

  • 182 - Fire escape, ladder, or scaffold