How to get a patent; a complete compendium of useful information for inventors (1896)
Wedderburn (John) and company, Washington, D.C. [from old catalog] · Washington, D.C., J. Wedderburn & co. · leaf 43
f a caveat j aliens havenot this right. Caveats are not assignable, but the inventions covered bythem may be assigned. We make a specialty of preparing caveats. The total costincluding one sheet of drawings is $25.00. Kenewals $15.00. INTERFERENCES. It often happens that two or more applications… … JOHN WEDDERBURN & CO. 43 An interference is declared to be ^a proceeding instituted forthe purpose of determining the question of priority of inven-tion between two or more parties claiming substantially thesame patentable invention. The fact that one of the parties hasalready obtained a patent…
Patents
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Official catalogue of exhibitors. Universal exposition. St. Louis, U.S.A. 1904. : Division of exhibits. Department A. Education [to H. Agriculture; J. Horticulture to P. Physical Culture; R. Livestock.] (1904)](https://img.insideoutlibrary.com/img/200/ia-officialcatalogu00loui-1124-32.webp)
