2722917

Information

• Patent Grant
• 2722917

• References
• Source

• Patent Number

  2,722,917

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1955
  70 years ago

• CPC

  • B25D9/08 - comprising a built-in air compressor
  • B23D67/00 - Filing or rasping machines of devices
  • Y10T29/446 - Reciprocating type

• US Classifications

  • 173 - Tool driving or impacting
  • 029 - Metal working
  • 092 - Expansible chamber devices