3650850

Information

• Patent Grant
• 3650850

• References
• Source

• Patent Number

  3,650,850

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1972
  53 years ago

• CPC

  • C23C8/64 - Carburising
  • C01B31/303 - Simple carbides of elements not covered below
  • C01P2004/10 - extending in one dimension

• US Classifications

  • 148 - Metal treatment
  • 313 - Electric lamp and discharge devices
  • 445 - Electric lamp or space discharge component or device manufacturing