Prussian
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PATENT, PRUSSIAN. This subject will be considered by taking a view of the
persons who may obtain patents; the nature of the patent; and the duration
of the right.
2.-Sec. 1, Of the persons who may obtain patents. Prussian citizens
or subjects are alone entitled to a patent. Foreigners can not obtain one.
3.-Sec. 2. Nature of the patents. Patents are granted in Prussia for
an invention when the thing has been discovered or invented by the
applicant. For an improvement, when considerable improvement has been made
to a thing before known. And for importation, when the thing has been
brought from a foreign country and put in use in the kingdom. Patents may
extend over the whole country or only over a particular part.
4.-Sec. 3. Duration of patents. The patent may at the choice of the
applicant, be for any period not less than six months nor more than fifteen
years.