2138729

Information

• Patent Grant
• 2138729

• References
• Source

• Patent Number

  2,138,729

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1938
  86 years ago

• CPC

  • C22C1/00 - Making alloys
  • C21C2007/0012 - Lead

• US Classifications

  • 420 - Alloys or metallic compositions