3680643

Information

• Patent Grant
• 3680643

• References
• Source

• Patent Number

  3,680,643

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • B21J15/18 - operated by air pressure or other gas pressure
  • B25D9/08 - comprising a built-in air compressor
  • B25D17/02 - Percussive tool bits
  • B25D17/08 - Means for retaining and guiding the tool bit
  • B25D2250/291 - Tools having three or more parallel bits
  • Y10T29/4578 - Tack or needle type

• US Classifications

  • 173 - Tool driving or impacting
  • 029 - Metal working