2078689

Information

• Patent Grant
• 2078689

• References
• Source

• Patent Number

  2,078,689

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1937
  87 years ago

• CPC

  • C25D5/50 - by heat-treatment
  • H05B31/0021 - Construction, in particular closure, of the vessel

• US Classifications

  • 362 - Illumination
  • 314 - Electric lamp and discharge devices: consumable electrodes