3701687

Information

• Patent Grant
• 3701687

• References
• Source

• Patent Number

  3,701,687

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1972
  52 years ago

• CPC

  • H01M12/04 - composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
  • G11C19/08 - using thin films in plane structure
  • H01M4/86 - Inert electrodes with catalytic activity
  • H03K17/84 - using thin-film devices
  • Y02E60/50 - Fuel cells

• US Classifications

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