3636903

Information

• Patent Grant
• 3636903

• References
• Source

• Patent Number

  3,636,903

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1972
  53 years ago

• CPC

  • B21D39/02 - of sheet metal by folding
  • B21D5/12 - making use of forming-rollers
  • B21D39/026 - Reinforcing the connection by locally deforming
  • Y10T29/5138 - and means to machine work part to fit cooperating work part

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working