1817680

Information

• Patent Grant
• 1817680

• References
• Source

• Patent Number

  1,817,680

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1931
  93 years ago

• CPC

  • B21C3/18 - Making tools by operation not covered by a single other subclass repairing
  • C25D1/10 - Moulds Masks Masterforms
  • Y10S76/04 - Chromium
  • Y10S428/934 - Electrical process
  • Y10T428/12847 - Cr-base component
  • Y10T428/12854 - Next to Co-, Fe-, or Ni-base component

• US Classifications

  • 072 - Metal deforming
  • 076 - Metal tools and implements, making
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 428 - Stock material or miscellaneous articles