3199303

Information

• Patent Grant
• 3199303

• References
• Source

• Patent Number

  3,199,303

• Date Filed

  Not available

• Date Issued

  Tuesday, August 10, 1965
  59 years ago

• CPC

  • F17C9/02 - with change of state
  • A61M16/06 - Respiratory or anaesthetic masks
  • A62B7/00 - Respiratory apparatus
  • A62B7/06 - with liquid oxygen or air; Cryogenic systems
  • A61M16/10 - Preparation of respiratory gases or vapours
  • F17C2201/0109 - with exteriorly curved end-piece
  • F17C2201/0114 - with interiorly curved end-piece
  • F17C2201/0123 - with variable thickness or diameter
  • F17C2203/0629 - Two walls
  • F17C2223/0153 - Liquefied gas
  • F17C2223/047 - with a dip tube
  • Y10S128/27 - Cryogenic

• US Classifications

  • 062 - Refrigeration
  • 128 - Surgery
  • 322 - Electricity: single generator systems