1703431

Information

• Patent Grant
• 1703431

• References
• Source

• Patent Number

  1,703,431

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1929
  96 years ago

• CPC

  • B21D39/02 - of sheet metal by folding
  • B21D39/026 - Reinforcing the connection by locally deforming

• US Classifications

  • 072 - Metal deforming