2680412

Information

• Patent Grant
• 2680412

• References
• Source

• Patent Number

  2,680,412

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1954
  70 years ago

• CPC

  • F04B49/128 - by changing the eccentricity of the cylinders
  • F04B1/0408 - Pistons
  • F04B1/1133 - with rotary cylinder block

• US Classifications

  • 417 - Pumps