2391978

Information

• Patent Grant
• 2391978

• References
• Source

• Patent Number

  2,391,978

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1946
  79 years ago

• CPC

  • G01N1/12 - Dippers Dredgers
  • Y10S16/08 - Weights
  • Y10T24/3958 - Screw clamp

• US Classifications

  • 073 - Measuring and testing
  • 016 - Miscellaneous hardware
  • 024 - Buckles, buttons, clasps, etc.
  • 033 - Geometrical instruments