2940137

Information

• Patent Grant
• 2940137

• References
• Source

• Patent Number

  2,940,137

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1960
  64 years ago

• CPC

  • E06B3/721 - with panels on one lateral side of the frame only
  • E06B2003/7063 - reinforced; in combination with other materials

• US Classifications

  • 049 - Movable or removable closures
  • 052 - Static structures