3677882

Information

• Patent Grant
• 3677882

• References
• Source

• Patent Number

  3,677,882

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • H05K1/0269 - for visual or optical inspection
  • H05K1/036 - Multilayers with layers of different types
  • H05K2201/015 - Fluoropolymer
  • H05K2201/0284 - Paper
  • H05K2201/0293 - Non-woven fibrous reinforcement
  • H05K2203/161 - Using chemical substances
  • Y10S428/901 - Printed circuit
  • Y10S428/921 - Fire or flameproofing
  • Y10T428/3154 - Of fluorinated addition polymer from unsaturated monomers
  • Y10T428/31964 - Paper
  • Y10T442/138 - Including a metal layer

• US Classifications

  • 442 - Fabric
  • 428 - Stock material or miscellaneous articles