3687737

Information

• Patent Grant
• 3687737

• References
• Source

• Patent Number

  3,687,737

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • B21C23/002 - Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
  • C22C25/00 - Alloys based on beryllium
  • C22F1/06 - of magnesium or alloys based thereon
  • Y10T29/49812 - Temporary protective coating, impregnation, or cast layer
  • Y10T29/49988 - Metal casting

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working