1983617

Information

• Patent Grant
• 1983617

• References
• Source

• Patent Number

  1,983,617

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1934
  90 years ago

• CPC

  • E04B1/78 - Heat insulating elements
  • Y10S160/07 - Fabric
  • Y10S428/92 - Fire or heat protection feature
  • Y10T152/10189 - Metal
  • Y10T428/24355 - Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
  • Y10T428/31678 - Of metal

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 002 - Apparel
  • 139 - Textiles: weaving
  • 152 - Resilient tires and wheels
  • 160 - Flexible or portable closure, partition, or panel
  • D25 - Building units and construction elements