2248246

Information

• Patent Grant
• 2248246

• References
• Source

• Patent Number

  2,248,246

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1941
  83 years ago

• CPC

  • E05D13/1276 - with coiled ribbon springs
  • Y10T16/641 - Drum and cord
  • Y10T16/69 - Sash-cord guides

• US Classifications

  • 016 - Miscellaneous hardware