3881338

Information

• Patent Grant
• 3881338

• References
• Source

• Patent Number

  3,881,338

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • B21D5/00 - Bending sheet metal along straight lines
  • B21D11/20 - Bending sheet metal, not otherwise provided for
  • Y10S29/033 - Scoring with other step
  • Y10T29/49982 - Coating

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working