3404748

Information

• Patent Grant
• 3404748

• References
• Source

• Patent Number

  3,404,748

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1968
  56 years ago

• CPC

  • E04B1/78 - Heat insulating elements
  • B31F1/2886 - Additionally reinforcing
  • E04H15/22 - supported by air pressure inside the tent
  • Y10T156/1025 - to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact
  • Y10T428/24058 - including grain, strips, or filamentary elements in respective layers or components in angular relation
  • Y10T428/24694 - Parallel corrugations
  • Y10T428/31931 - Polyene monomer-containing
  • Y10T428/31935 - Ester, halide or nitrile of addition polymer

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 181 - Acoustics