3908787

Information

• Patent Grant
• 3908787

• References
• Source

• Patent Number

  3,908,787

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • E04H3/126 - Foldable, retractable or tiltable tribunes
  • E04B1/8236 - Stage shells
  • G10K11/20 - Reflecting arrangements
  • E04B2001/8414 - with non-planar face

• US Classifications

  • 181 - Acoustics
  • 160 - Flexible or portable closure, partition, or panel
  • 182 - Fire escape, ladder, or scaffold