1750921

Information

• Patent Grant
• 1750921

• References
• Source

• Patent Number

  1,750,921

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1930
  94 years ago

• CPC

  • E06B1/6084 - Mounting frames elastically
  • E06B1/08 - composed of several parts with respect to the cross-section of the frame itself
  • E06B1/52 - Frames specially adapted for doors

• US Classifications

  • 052 - Static structures