3553826

Information

• Patent Grant
• 3553826

• References
• Source

• Patent Number

  3,553,826

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1971
  54 years ago

• CPC

  • B21K1/44 - bolts, studs, or the like
  • B21C23/03 - by both direct and backward extrusion
  • Y10T29/49664 - Ball making
  • Y10T29/49812 - Temporary protective coating, impregnation, or cast layer
  • Y10T29/49982 - Coating

• US Classifications

  • 029 - Metal working