270902

Information

• Patent Grant
• 270902

• References
• Source

• Patent Number

  270,902

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1883
  143 years ago

• CPC

  • A62B5/00 - Other devices for rescuing from fire
  • E06C5/30 - formed of links which reinforce themselves against each other
  • Y10S254/06 - Flexible rack and pinion
  • Y10T74/19819 - Driven rack or shaft
  • Y10T74/19828 - Worm
  • Y10T74/19963 - Spur

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 074 - Machine element or mechanism
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 298 - Land vehicles: dumping