1821772

Information

• Patent Grant
• 1821772

• References
• Source

• Patent Number

  1,821,772

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1931
  93 years ago

• CPC

  • F04D29/486 - especially adapted for liquid pumps
  • F04D13/02 - Units comprising pumps and their driving means

• US Classifications

  • 415 - Rotary kinetic fluid motors or pumps
  • 105 - Railway rolling stock
  • 237 - Heating systems
  • 384 - Bearings