1515581

Information

• Patent Grant
• 1515581

• References
• Source

• Patent Number

  1,515,581

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1924
  100 years ago

• CPC

  • E04F10/02 - of flexible canopy materials
  • Y10S160/91 - Drum wound strand

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 242 - Winding, tensioning, or guiding
  • 254 - Implements or apparatus for applying pushing or pulling force