2831438

Information

• Patent Grant
• 2831438

• References
• Source

• Patent Number

  2,831,438

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1958
  67 years ago

• CPC

  • F04B1/1133 - with rotary cylinder block

• US Classifications

  • 091 - Motors: expansible chamber type