1574131

Information

• Patent Grant
• 1574131

• References
• Source

• Patent Number

  1,574,131

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1926
  98 years ago

• CPC

  • B21B45/0263 - using solid lubricants
  • C21D1/68 - Temporary coatings or embedding materials applied before or during heat treatment
  • Y10T29/305 - including bond prevention treatment

• US Classifications

  • 148 - Metal treatment
  • 029 - Metal working
  • 072 - Metal deforming