1820163

Information

• Patent Grant
• 1820163

• References
• Source

• Patent Number

  1,820,163

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1931
  93 years ago

• CPC

  • B25B27/00 - Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
  • Y10T29/53474 - Means to insert or extract pen point

• US Classifications

  • 269 - Work holders
  • 029 - Metal working