2720867

Information

• Patent Grant
• 2720867

• References
• Source

• Patent Number

  2,720,867

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1955
  69 years ago

• CPC

  • F01L15/08 - with cylindrical, sleeve, or part-annularly-shaped valves Such main valves combined with auxiliarly valves
  • F01L5/14 - characterised by the provision of valves with reciprocating and other movements
  • F04B39/00 - Component parts, details, or accessories, of pumps or pumping systems, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00

• US Classifications

  • 091 - Motors: expansible chamber type