2640232

Information

• Patent Grant
• 2640232

• References
• Source

• Patent Number

  2,640,232

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  71 years ago

• CPC

  • E06B3/9765 - Mitre joints
  • E06B3/2605 - with frames permanently mounted behind or within each other, each provided with a pane or screen
  • E06B2003/2615 - Frames made of metal

• US Classifications

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