3459274

Information

• Patent Grant
• 3459274

• References
• Source

• Patent Number

  3,459,274

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1969
  55 years ago

• CPC

  • E04B1/86 - slab-shaped
  • E04B2001/8461 - layered
  • Y10S264/04 - Molding and forming bendable and flexible product from rigid preform
  • Y10T428/249975 - Void shape specified [e.g., crushed, flat, round, etc.]

• US Classifications

  • 181 - Acoustics
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles