3139923

Information

• Patent Grant
• 3139923

• References
• Source

• Patent Number

  3,139,923

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1964
  60 years ago

• CPC

  • E06B9/52 - Devices affording protection against insects
  • E06B3/2605 - with frames permanently mounted behind or within each other, each provided with a pane or screen
  • E06B2003/262 - Frames made of plastic material

• US Classifications

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