2666539

Information

• Patent Grant
• 2666539

• References
• Source

• Patent Number

  2,666,539

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1954
  71 years ago

• CPC

  • H01J29/865 - Vacuum locks

• US Classifications

  • 414 - Material or article handling
  • 250 - Radiant energy
  • 251 - Valves and valve actuation