2987121

Information

• Patent Grant
• 2987121

• References
• Source

• Patent Number

  2,987,121

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1961
  63 years ago

• CPC

  • E04B2/827 - Partitions constituted of sliding panels
  • E06B3/481 - Wings foldable in a zig-zag manner or bi-fold wings
  • E05D2015/268 - the wings being successively folded

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 049 - Movable or removable closures
  • 181 - Acoustics