3735720

Information

• Patent Grant
• 3735720

• References
• Source

• Patent Number

  3,735,720

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1973
  51 years ago

• CPC

  • B21D53/045 - by inflating partially united plates
  • Y10T29/49369 - Utilizing bond inhibiting material

• US Classifications

  • 029 - Metal working