2447635

Information

• Patent Grant
• 2447635

• References
• Source

• Patent Number

  2,447,635

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1948
  75 years ago

• CPC

  • G01K5/06 - Arrangements for driving back the liquid column

• US Classifications

  • 374 - Thermal measuring and testing
  • 446 - Amusement devices: toys