1931582

Information

• Patent Grant
• 1931582

• References
• Source

• Patent Number

  1,931,582

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1933
  91 years ago

• CPC

  • E05D13/1292 - Spring safety devices
  • Y10T16/641 - Drum and cord

• US Classifications

  • 016 - Miscellaneous hardware