1915245

Information

• Patent Grant
• 1915245

• References
• Source

• Patent Number

  1,915,245

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1933
  91 years ago

• CPC

  • B23B45/12 - by using a ratchet brace
  • Y10S411/945 - Cross key

• US Classifications

  • 081 - Tools
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener