2173240

Information

• Patent Grant
• 2173240

• References
• Source

• Patent Number

  2,173,240

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1939
  85 years ago

• CPC

  • C21D8/1233 - Cold rolling
  • C21D8/1272 - Final recrystallisation annealing
  • Y10S29/028 - Magnetic recording digest

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working