TYVEK
E.I. DU PONT DE NEMOURS AND COMPANY

[Class - 19]

CLASS 19 NON-WOVEN SHEET STRUCTURES MADE FROM SPUN-BONDED POLYOLEFIN FOR USE IN COMMERCIAL AND RESIDENTIAL CONSTRUCTION AND GENERAL USAGE SUCH AS PACKAGING, SPECIALTY APPAREL AND AUTOMOBILES; BUILDING MATERIALS (NON-METALLIC); NON-METALLIC RIGID PIPES FOR BUILDING; ASPHALT, PITCH AND BITUMEN; NON-METALLIC TRANSPORTABLE BUILDINGS; MONUMENTS, NOT OF METAL.

[Class - 17]

CLASS 17 NON-WOVEN SHEET STRUCTURES MADE FROM SPUN-BONDED POLYOLEFIN FOR USE IN COMMERCIAL AND RESIDENTIAL CONSTRUCTION AND GENERAL USAGE SUCH AS PACKAGING, SPECIALTY APPAREL AND AUTOMOBILES; RUBBER, GUTTA-PERCHA. GUM, ASBESTOS, MICA AND GOODS MADE FROM THESE MATERIALS AND NOT INCLUDED IN OTHER CLASSES; PLASTICS IN EXTRUDED FORM FOR USE IN MANUFACTURER; PACKING, STOPPING AND INSULATING MATERIALS; FLEXIBLE PIPES NOT OF METAL.