3839900

Information

• Patent Grant
• 3839900

• References
• Source

• Patent Number

  3,839,900

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • G01M3/329 - for verifying the internal pressure of closed containers
  • G04D7/007 - with regard to the sealing of the case

• US Classifications

  • 073 - Measuring and testing
  • 968 - Horology