2117939

Information

• Patent Grant
• 2117939

• References
• Source

• Patent Number

  2,117,939

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1938
  87 years ago

• CPC

  • E04D3/08 - with metal glazing bars
  • E04D2003/0862 - by means of separate clips or hooks

• US Classifications

  • 052 - Static structures
  • 315 - Electric lamp and discharge devices: systems