2828792

Information

• Patent Grant
• 2828792

• References
• Source

• Patent Number

  2,828,792

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1958
  66 years ago

• CPC

  • B21D31/04 - Expanding other than provided for in groups B21D1/00 - B21D28/00
  • B21D31/043 - Making use of slitting discs or punch cutters
  • F16H23/06 - with sliding members hinged to reciprocating members
  • Y10T29/185 - by use of reciprocating perforator

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working