2800857

Information

• Patent Grant
• 2800857

• References
• Source

• Patent Number

  2,800,857

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1957
  67 years ago

• CPC

  • F04B1/1078 - with cylinder block and actuating cam both rotating
  • F01B13/065 - directly located side by side

• US Classifications

  • 091 - Motors: expansible chamber type
  • 198 - Conveyors: power-driven
  • 417 - Pumps