3515133

Information

• Patent Grant
• 3515133

• References
• Source

• Patent Number

  3,515,133

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • B63C11/06 - with rigid helmet
  • B63C11/18 - Air supply
  • B63C11/28 - Heating

• US Classifications

  • 128 - Surgery