3707151

Information

• Patent Grant
• 3707151

• References
• Source

• Patent Number

  3,707,151

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1972
  52 years ago

• CPC

  • A61M16/04 - Tracheal tubes
  • A61M16/0452 - following the inspiration and expiration pressure
  • A61M25/0075 - Valve means

• US Classifications

  • 128 - Surgery
  • 604 - Surgery