2578470

Information

• Patent Grant
• 2578470

• References
• Source

• Patent Number

  2,578,470

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1951
  73 years ago

• CPC

  • E06B3/2605 - with frames permanently mounted behind or within each other, each provided with a pane or screen
  • E06B7/22 - by means of elastic edgings
  • E06B2003/2615 - Frames made of metal
  • E06B2003/2625 - with different frames made from different materials

• US Classifications

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