1451033

Information

• Patent Grant
• 1451033

• References
• Source

• Patent Number

  1,451,033

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1923
  101 years ago

• CPC

  • F04B39/0016 - with valve arranged in the piston
  • F04B27/005 - with two cylinders
  • F04B39/1026 - without spring
  • F04B39/128 - Crankcases
  • Y10T137/7843 - Integral resilient member forms plural valves
  • Y10T137/789 - Central mount

• US Classifications

  • 417 - Pumps
  • 137 - Fluid handling
  • 251 - Valves and valve actuation