1939781

Information

• Patent Grant
• 1939781

• References
• Source

• Patent Number

  1,939,781

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • E05D15/266 - comprising two pivots placed at opposite edges of the wing
  • E05D2015/268 - the wings being successively folded

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • D25 - Building units and construction elements