1528448

Information

• Patent Grant
• 1528448

• References
• Source

• Patent Number

  1,528,448

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1925
  99 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
  • 052 - Static structures