3640296

Information

• Patent Grant
• 3640296

• References
• Source

• Patent Number

  3,640,296

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • E04H15/18 - Tents having plural sectional covers
  • E04H15/322 - Stretching devices
  • E04H2015/328 - Frames kept erected solely by guy lines

• US Classifications

  • 135 - Tent, canopy, umbrella, or cane
  • 052 - Static structures
  • D25 - Building units and construction elements