2662409

Information

• Patent Grant
• 2662409

• References
• Source

• Patent Number

  2,662,409

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1953
  71 years ago

• CPC

  • G01L7/18 - using liquid as the pressure-sensitive medium
  • Y10S4/16 - Deformable toilet traps

• US Classifications

  • 073 - Measuring and testing
  • 004 - Baths, closets, sinks, and spittoons
  • 138 - Pipes and tubular conduits