1633237

Information

• Patent Grant
• 1633237

• References
• Source

• Patent Number

  1,633,237

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1927
  97 years ago

• CPC

  • B25B27/08 - inserting or withdrawing cotter pins
  • Y10T29/53809 - Cotter pin and cooperating member
  • Y10T29/53817 - Valve stem pin or key and another member

• US Classifications

  • 029 - Metal working
  • 081 - Tools