3374532

Information

• Patent Grant
• 3374532

• References
• Source

• Patent Number

  3,374,532

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1968
  57 years ago

• CPC

  • B29C63/18 - using tubular layers or sheathings
  • B21D7/06 - in press brakes or between rams and anvils or abutments Pliers with forming dies
  • B21D11/10 - Bending specially adapted to produce specific articles
  • B29C53/083 - bending longitudinally
  • B29L2009/00 - Layered products
  • B29L2023/004 - Bent tubes
  • B29L2023/22 - Tubes or pipes
  • B29L2031/463 - Grips, handles
  • B29L2031/745 - Ladders
  • Y10T29/49908 - Joining by deforming

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 182 - Fire escape, ladder, or scaffold