3538660

Information

• Patent Grant
• 3538660

• References
• Source

• Patent Number

  3,538,660

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • B28B7/06 - Moulds with flexible parts
  • B28B7/186 - for plates, panels or similar sheet- or disc-shaped objects, also flat oblong moulded articles with lateral openings
  • E04B2/44 - using elements having specially-designed means for stabilising the position Spacers for cavity walls
  • E04B2/745 - Glazing details
  • E04B2/7451 - with false tongue joints
  • E04B2/821 - Connections between two opposed surfaces (
  • E04C2/04 - of concrete or other stone-like material of asbestos cement; of cement and other mineral fibres

• US Classifications

  • 052 - Static structures