2052409

Information

• Patent Grant
• 2052409

• References
• Source

• Patent Number

  2,052,409

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1936
  89 years ago

• CPC

  • G01K5/36 - the body being a tubular spring

• US Classifications

  • 073 - Measuring and testing
  • 374 - Thermal measuring and testing