1939999

Information

• Patent Grant
• 1939999

• References
• Source

• Patent Number

  1,939,999

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • E06B3/721 - with panels on one lateral side of the frame only
  • E06B3/7003 - consisting of several adjacent similar elements
  • E06B3/825 - with a wooden frame

• US Classifications

  • 052 - Static structures