2810387

Information

• Patent Grant
• 2810387

• References
• Source

• Patent Number

  2,810,387

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1957
  67 years ago

• CPC

  • B63C11/2236 - Functionally interdependent first/second-stage regulators
  • B63C11/186 - Mouthpieces

• US Classifications

  • 128 - Surgery