3177704

Information

• Patent Grant
• 3177704

• References
• Source

• Patent Number

  3,177,704

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1965
  59 years ago

• CPC

  • G01L21/04 - wherein the chamber is closed by liquid vacuum gauges of the McLeod type
  • G01M3/329 - for verifying the internal pressure of closed containers

• US Classifications

  • 073 - Measuring and testing