3817844

Information

• Patent Grant
• 3817844

• References
• Source

• Patent Number

  3,817,844

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • C23F3/06 - with acidic solutions
  • B23K1/0014 - Brazing of honeycomb sandwich structures
  • C25D5/38 - of refractory metals or nickel
  • C25F1/08 - Refractory metals

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 134 - Cleaning and liquid contact with solids
  • 216 - Etching a substrate: processes
  • 252 - Compositions