3507757

Information

• Patent Grant
• 3507757

• References
• Source

• Patent Number

  3,507,757

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1970
  54 years ago

• CPC

  • C23C8/40 - using liquids
  • C23C22/72 - Treatment of iron or alloys based thereon
  • C23C28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
  • C25D5/36 - of iron or steel
  • F16C33/12 - Structural composition Use of special materials or surface treatments
  • F16C2204/60 - Ferrous alloys

• US Classifications

  • 148 - Metal treatment
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions