exist only as provided in the laws of sovereign states, and can be enforced only to the. extent that application has been made and a patent granted covering the territory of an. individual state. Patent rights are limited in duration, with the global standard being 20. years from the date of application. The new product, article of manufacture or process. described in the patent application must be something that has never been previously.
Typically, curtains are made of lighter weight fabric and give your windows a more homey look. There are three basic styles of curtains: panels, cafÃ© and tier; and you'll find variations on each style.
Glass Curtain A windowed wall is a rare and impressive A-frame feature that reveals the inherently open floor plan within. Paired with curved interior walls that are counter-intuitive to the crisp geometric lines of the building's exterior, this home is one for the books. Related: House TourâHudson Passive Project.