Patent soliciting and United States court practice, with remarks concerning specifications and claims, drawings, official examination, appeals, reissues, searches and reports, court practice, interferences, foreign patents, etc (1883)
Howson & Howson. [from old catalog] · [Philadelphia, Press of Times printing house] · leaf 118
DENMARK. Term of Patent.—Three to fifteen years, but to for-eigners seldom, if ever, for more than five years. Cost.— $ioo. Note.—Invention must be operated in Denmarkwithin one year, and operation niust not afterwards bediscontinued. … PORTUGAL. Term of Patent.—Maximum fifteen years, butnot beyond the term of previous foreign patent. No ex-tension granted. Cost.—About S520. Note.—The invention must be put in operation inPortugal within the first half of the term of the patent. SWITZERLAND. No patents granted except in one canton…
Patents
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