3688774

Information

• Patent Grant
• 3688774

• References
• Source

• Patent Number

  3,688,774

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • A61M16/0465 - Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor
  • A61M16/0427 - with removable and re-insertable liner tubes
  • A61M16/0497 - Tube stabilizer
  • F42B19/24 - by electric motors
  • H01M2/40 - with external circulating path
  • H01M6/34 - Immersion cells

• US Classifications

  • 128 - Surgery
  • 285 - Pipe joints or couplings