2894522

Information

• Patent Grant
• 2894522

• References
• Source

• Patent Number

  2,894,522

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1959
  65 years ago

• CPC

  • H01M2/368 - by closing the vent passages with a valve
  • F16K17/36 - actuated in consequence of extraneous circumstances
  • H01M2/1205 - Vent arrangements incorporated in vent plugs or multiplug systems detachable from the battery or cell
  • Y10T137/86984 - Actuator moves both valves

• US Classifications

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