3222496

Information

• Patent Grant
• 3222496

• References
• Source

• Patent Number

  3,222,496

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • H01J37/18 - Vacuum locks; Means for obtaining or maintaining the desired pressure within the vessel
  • B23K15/06 - within a vacuum chamber
  • B23K15/08 - Removing material
  • H01J2237/061 - Construction
  • H01J2237/3109 - Cutting

• US Classifications

  • 219 - Electric heating
  • 250 - Radiant energy