3754156

Information

• Patent Grant
• 3754156

• References
• Source

• Patent Number

  3,754,156

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1973
  51 years ago

• CPC

  • H01J37/18 - Vacuum locks; Means for obtaining or maintaining the desired pressure within the vessel
  • H01J5/30 - using packing-material
  • H01J2893/0045 - Non-solid connections

• US Classifications

  • 285 - Pipe joints or couplings
  • 313 - Electric lamp and discharge devices