1550974

Information

• Patent Grant
• 1550974

• References
• Source

• Patent Number

  1,550,974

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1925
  99 years ago

• CPC

  • A41F3/045 - using springs

• US Classifications

  • 002 - Apparel
  • 267 - Spring devices