2775284

Information

• Patent Grant
• 2775284

• References
• Source

• Patent Number

  2,775,284

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1956
  68 years ago

• CPC

  • B21D11/08 - Bending by altering the thickness of part of the cross-section of the work
  • B21D5/08 - making use of forming-rollers
  • B21D11/206 - Curving corrugated sheets
  • B21D13/04 - by rolling

• US Classifications

  • 072 - Metal deforming