1991604

Information

• Patent Grant
• 1991604

• References
• Source

• Patent Number

  1,991,604

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1935
  90 years ago

• CPC

  • H01M2/362 - Filling or topping up of large-sized cells or batteries
  • Y10T137/4774 - Barometric supply
  • Y10T137/7501 - With shut-off between supply tank and receiver

• US Classifications

  • 137 - Fluid handling
  • 429 - Chemistry: electrical current producing apparatus, product, and process