1978543

Information

• Patent Grant
• 1978543

• References
• Source

• Patent Number

  1,978,543

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1934
  90 years ago

• CPC

  • B25B7/14 - Locking means
  • Y10T29/53587 - Plier type
  • Y10T29/53622 - Helical spring

• US Classifications

  • 029 - Metal working
  • 081 - Tools