1937374

Information

• Patent Grant
• 1937374

• References
• Source

• Patent Number

  1,937,374

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1933
  91 years ago

• CPC

  • B64F1/36 - Other airport installations
  • E01C9/10 - Steel gratings ; Gratings made of material other than steel
  • Y10T428/24149 - Honeycomb-like

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 428 - Stock material or miscellaneous articles
  • D26 - Lighting