3920948

Information

• Patent Grant
• 3920948

• References
• Source

• Patent Number

  3,920,948

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • B22D7/066 - Manufacturing, repairing or reinforcing ingot moulds
  • B23K9/00 - Arc welding or cutting
  • B23K9/04 - Welding for other purposes than joining
  • B23K35/38 - Selection of media
  • B23P6/04 - Repairing fractures or cracked metal parts or products
  • B23K2203/06 - Cast-iron alloys

• US Classifications

  • 219 - Electric heating
  • 164 - Metal founding
  • 228 - Metal fusion bonding