1639140

Information

• Patent Grant
• 1639140

• References
• Source

• Patent Number

  1,639,140

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1927
  97 years ago

• CPC

  • B25B27/02 - for connecting objects by press fit or detaching same
  • Y10T29/53939 - Thread protector [e.g., wheel axle type]

• US Classifications

  • 029 - Metal working