1723493

Information

• Patent Grant
• 1723493

• References
• Source

• Patent Number

  1,723,493

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1929
  95 years ago

• CPC

  • F04C14/065 - Capacity control using a multiplicity of units or pumping capacities
  • F04C11/001 - of similar working principle
  • F04C14/26 - using bypass channels
  • F04C15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
  • F04C15/066 - of the non-return type

• US Classifications

  • 417 - Pumps
  • 418 - Rotary expansible chamber devices