2490598

Information

• Patent Grant
• 2490598

• References
• Source

• Patent Number

  2,490,598

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1949
  75 years ago

• CPC

  • H01M2/0235 - with a collector centrally disposed in the active mass
  • H01M2/0404 - for small-sized cells or batteries
  • H01M2/12 - Vent plugs or other mechanical arrangements for facilitating escape of gases
  • H01M10/10 - Immobilising of electrolyte
  • H01M10/123 - Cells or batteries with cylindrical casing
  • H01M10/342 - Gastight lead accumulators
  • Y02E60/126 - Lead-acid batteries

• US Classifications

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