1377404

Information

• Patent Grant
• 1377404

• References
• Source

• Patent Number

  1,377,404

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1921
  103 years ago

• CPC

  • B63C11/10 - Rigid suits

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 002 - Apparel
  • 362 - Illumination