256557

Information

• Patent Grant
• 256557

• References
• Source

• Patent Number

  256,557

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1882
  142 years ago

• CPC

  • E06B9/40 - Roller blinds
  • Y10S292/10 - Cupped disc fasteners

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 292 - Closure fasteners