2491361

Information

• Patent Grant
• 2491361

• References
• Source

• Patent Number

  2,491,361

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  75 years ago

• CPC

  • F16H39/01 - Pneumatic gearing Gearing working with sub-atmospheric pressure
  • G04B1/265 - Clockwork systems working therewith
  • Y10T137/86871 - Plug

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 116 - Signals and indicators
  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 346 - Recorders
  • 968 - Horology