1977851

Information

• Patent Grant
• 1977851

• References
• Source

• Patent Number

  1,977,851

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1934
  90 years ago

• CPC

  • B25D1/02 - Inserts or attachments forming the striking part of hammer heads
  • B22C13/10 - for pipes or elongated hollow articles
  • B25D2222/57 - Elastomers
  • B25D2250/105 - Exchangeable tool components
  • B25D2250/361 - Use of screws or threaded connections

• US Classifications

  • 164 - Metal founding