3491437

Information

• Patent Grant
• 3491437

• References
• Source

• Patent Number

  3,491,437

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1970
  54 years ago

• CPC

  • B21D28/06 - Making more than one part out of the same blank Scrapless working
  • H01F41/0233 - Manufacturing of magnetic circuits made from sheets
  • Y10T29/4902 - Electromagnet, transformer or inductor
  • Y10T29/49078 - Laminated
  • Y10T83/0491 - Cutting of interdigitating products
  • Y10T83/0534 - Cutting to join blanked holes

• US Classifications

  • 029 - Metal working
  • 083 - Cutting
  • 336 - Inductor devices