3643306

Information

• Patent Grant
• 3643306

• References
• Source

• Patent Number

  3,643,306

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • B21D47/01 - beams or pillars
  • B21D47/04 - composite sheet metal profiles
  • B29C44/306 - Longitudinally shaping
  • B29C44/326 - Joining the preformed parts
  • Y10T29/49888 - Subsequently coating
  • Y10T29/51 - Plural diverse manufacturing apparatus including means for metal shaping or assembling

• US Classifications

  • 029 - Metal working
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus