1989986

Information

• Patent Grant
• 1989986

• References
• Source

• Patent Number

  1,989,986

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1935
  89 years ago

• CPC

  • F02M37/02 - Feeding by means of suction apparatus
  • Y10S119/01 - Milk digest
  • Y10S137/901 - Biased ball valves with operators

• US Classifications

  • 417 - Pumps
  • 119 - Animal husbandry
  • 137 - Fluid handling
  • 239 - Fluid sprinkling, spraying, and diffusing