3680556

Information

• Patent Grant
• 3680556

• References
• Source

• Patent Number

  3,680,556

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • B63C11/06 - with rigid helmet
  • B63C2011/128 - Straps, or the like for fastening diving masks; Accessories therefor

• US Classifications

  • 128 - Surgery