3821973

Information

• Patent Grant
• 3821973

• References
• Source

• Patent Number

  3,821,973

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  50 years ago

• CPC

  • B25D1/02 - Inserts or attachments forming the striking part of hammer heads
  • B25D2222/54 - Plastics
  • B25D2222/61 - Polyamides
  • B25D2250/105 - Exchangeable tool components
  • B25D2250/361 - Use of screws or threaded connections

• US Classifications

  • 081 - Tools