3144069

Information

• Patent Grant
• 3144069

• References
• Source

• Patent Number

  3,144,069

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1964
  60 years ago

• CPC

  • B21D22/027 - for flattening the ends of corrugated sheets
  • B21D13/02 - by pressing

• US Classifications

  • 072 - Metal deforming