2874692

Information

• Patent Grant
• 2874692

• References
• Source

• Patent Number

  2,874,692

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1959
  66 years ago

• CPC

  • B63C11/2236 - Functionally interdependent first/second-stage regulators
  • A62B9/06 - Mouthpieces Nose-clips

• US Classifications

  • 128 - Surgery