2221983

Information

• Patent Grant
• 2221983

• References
• Source

• Patent Number

  2,221,983

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1940
  84 years ago

• CPC

  • H01F41/0246 - Manufacturing of magnetic circuits by moulding or by pressing powder
  • Y10S29/028 - Magnetic recording digest
  • Y10S428/928 - Magnetic property
  • Y10T29/49076 - From comminuted material
  • Y10T29/49078 - Laminated
  • Y10T428/12056 - Entirely inorganic
  • Y10T428/2495 - Thickness [relative or absolute]
  • Y10T428/256 - Heavy metal or aluminum or compound thereof

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 310 - Electrical generator or motor structure
  • 336 - Inductor devices
  • 419 - Powder metallurgy processes