2139385

Information

• Patent Grant
• 2139385

• References
• Source

• Patent Number

  2,139,385

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1938
  86 years ago

• CPC

  • A47L15/28 - by lowering and lifting only
  • C02F1/461 - by electrolysis
  • C25B9/06 - Cells comprising dimensionally-stable non-movable electrodes Assemblies of constructional parts thereof
  • G01R13/00 - Arrangements for displaying electric variables or waveforms

• US Classifications

  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical