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.
Among them, rod pocket curtains are the easiest that you can make. They are simply a panel of fabric with a tubular opening at the top for the curtain rod. You can hang your curtains using a rod pocket or maybe by using clips. You can use any fabric for making curtains from something sheer to heavy tapestry fabric. And today, weâll show you how to sew a simple rod pocket curtain that youâll surely find easy to make as you go. So letâs get started.