2297011

Information

• Patent Grant
• 2297011

• References
• Source

• Patent Number

  2,297,011

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1942
  82 years ago

• CPC

  • G09B19/18 - Book-keeping or economics
  • Y10T137/2856 - With leakage or entrained air removal
  • Y10T137/86187 - Plural tanks or compartments connected for serial flow

• US Classifications

  • 434 - Education and demonstration
  • 137 - Fluid handling
  • 222 - Dispensing