1383140

Information

• Patent Grant
• 1383140

• References
• Source

• Patent Number

  1,383,140

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1921
  103 years ago

• CPC

  • B43L17/00 - Blotters
  • Y10T24/1359 - Rule holder

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 024 - Buckles, buttons, clasps, etc.
  • 033 - Geometrical instruments