2025439

Information

• Patent Grant
• 2025439

• References
• Source

• Patent Number

  2,025,439

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1935
  89 years ago

• CPC

  • B21B25/00 - Mandrels for metal tube rolling mills
  • B21B17/10 - in a continuous process
  • B21B25/04 - Cooling or lubricating mandrels during operation

• US Classifications

  • 072 - Metal deforming