459903

Information

• Patent Grant
• 459903

• References
• Source

• Patent Number

  459,903

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1891
  133 years ago

• CPC

  • C21D9/525 - for wire, for rods
  • Y10T29/4533 - Fluid impingement

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working
  • 266 - Metallurgical apparatus