2020831

Information

• Patent Grant
• 2020831

• References
• Source

• Patent Number

  2,020,831

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1935
  89 years ago

• CPC

  • E05D13/1261 - specially adapted for overhead wings
  • E05D15/244 - Upper part guiding means
  • E05D15/246 - with additional guide rail for producing an additional movement
  • E05Y2900/106 - for garages
  • Y10T16/641 - Drum and cord

• US Classifications

  • 016 - Miscellaneous hardware
  • 160 - Flexible or portable closure, partition, or panel