2139476

Information

• Patent Grant
• 2139476

• References
• Source

• Patent Number

  2,139,476

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1938
  86 years ago

• CPC

  • H01M2/362 - Filling or topping up of large-sized cells or batteries
  • Y10T137/4774 - Barometric supply
  • Y10T137/7498 - Barometric
  • Y10T137/86332 - Vent and inlet or outlet in unitary mounting

• US Classifications

  • 137 - Fluid handling