1636712

Information

• Patent Grant
• 1636712

• References
• Source

• Patent Number

  1,636,712

• Date Filed

  Not available

• Date Issued

  Tuesday, July 26, 1927
  97 years ago

• CPC

  • A41F3/045 - using springs

• US Classifications

  • 002 - Apparel
  • 267 - Spring devices