Therefore, there was nothing left on which a patent could issue.

In 1999, the agency put all patents issued since 1976 on its Web site at www.uspto.gov.

The patent was both granted and issued on February 8, 1802.

Oddly enough, so far the data base includes only those patents issued between 1981 and 1989.

We'll pay the final fee in due course, and the patent will issue.

The fire destroyed all the patents and patent models issued from 1790.

No such patent could have issued to Bell in March 1876.

If that is true, many invalid software-related patents may issue.

Patents issued to foreigners, about 20 percent of the total in 1965, approach 44 percent today, with the largest number going to Japanese.

This had the effect of taking the industry by surprise when the patents in question finally issued; hence the term submarine patent.