3619437

Information

• Patent Grant
• 3619437

• References
• Source

• Patent Number

  3,619,437

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  54 years ago

• CPC

  • B29C44/18 - Filling preformed cavities
  • E04F15/18 - Separately-laid insulating layers Other additional insulating measures Floating floors
  • B29L2031/10 - Building elements
  • Y10S521/911 - Surfactant for other than polyurethane cellular product
  • Y10S521/913 - Cell forming in absence of external heat

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures
  • 521 - Synthetic resins or natural rubbers