1711835

Information

• Patent Grant
• 1711835

• References
• Source

• Patent Number

  1,711,835

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1929
  95 years ago

• CPC

  • C21D5/00 - Heat treatments of cast-iron
  • Y10S76/02 - Case hardening

• US Classifications

  • 148 - Metal treatment
  • 076 - Metal tools and implements, making
  • 188 - Brakes
  • 266 - Metallurgical apparatus