2219133

Information

• Patent Grant
• 2219133

• References
• Source

• Patent Number

  2,219,133

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • E06C5/16 - using mechanical transmission only, with or without fluid or other non-mechanical couplings or clutches

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • D12 - Transportation