1975631

Information

• Patent Grant
• 1975631

• References
• Source

• Patent Number

  1,975,631

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1934
  90 years ago

• CPC

  • B01F15/0201 - Feed mechanisms
  • B01F5/0666 - the slits being formed between the balls and the seats of a bearing-like construction
  • B01F5/0681 - the surfaces being part of a valve construction, formed by opposed members in contact
  • B01F15/0247 - piston pumps

• US Classifications

  • 366 - Agitating
  • 092 - Expansible chamber devices
  • 138 - Pipes and tubular conduits
  • 417 - Pumps