2974643

Information

• Patent Grant
• 2974643

• References
• Source

• Patent Number

  2,974,643

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1961
  64 years ago

• CPC

  • F15B15/221 - for accelerating the stroke
  • Y10T137/86879 - Reciprocating valve unit

• US Classifications

  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling