3451490

Information

• Patent Grant
• 3451490

• References
• Source

• Patent Number

  3,451,490

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1969
  55 years ago

• CPC

  • B08B7/022 - Needle scalers
  • B23D79/00 - Methods, machines, or devices not covered elsewhere, for working metal by removal of material
  • B25D2250/291 - Tools having three or more parallel bits
  • Y10T29/4578 - Tack or needle type

• US Classifications

  • 173 - Tool driving or impacting
  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working
  • 030 - Cutlery