2679973

Information

• Patent Grant
• 2679973

• References
• Source

• Patent Number

  2,679,973

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1954
  70 years ago

• CPC

  • B65G53/00 - Conveying materials in bulk through troughs, pipes, or tubes by floating the materials, or by flows of gas, liquid, or foam
  • B65G2812/1683 - without passing through the air-pressure generator
  • F04C18/344 - with vanes reciprocating with respect to the inner member

• US Classifications

  • 417 - Pumps
  • 406 - Conveyors: fluid current
  • 418 - Rotary expansible chamber devices
  • D15 - Machines not elsewhere specified