INDEX. A. 302 & seq. AFFIDAVIT for the repeal of a patent, proceedings on tain restrictions ALTERATION of the parts of a machine not the founda-da 137 393 300 301 ASSIGNEE of a patent cannot maintain an action thereon, 233 to 243 after an assignment of his interest, cannot ASSIGNMENT of a patent, mode of regulated 340 when the consideration of a promissory note, 340 to 346 CAVEAT, What, and how obtained CIRCUIT COURT of the United States has appellate juris- n 168 diction in a process to repeal a patent 313,314 COMBINATION of old machines, to produce a new and use- ful result, is a discovery, for which a patent 257 COMPLAINT for the repeal of a patent, form of in Great Britain, is fatal to a patent, wheth- er it be fraudulent or inadvertent 229, 230 COPY-RIGHT, in order to maintain an action on, it is not DAMAGE presumed in case of making or using a patented found by jury, to be trebled by the Court, I. 292 291 293 IMPROVEMENTS in any art, &c. patent may be sustained . using of, when invented by another, an offence lae specification of should distinguish what is 53, 54 new from what is old, 145, 146, 149, 169 to 172 ted, but not several improvements in dif- Infringement of a patent, pirating any part of an invention is an infringement 155 to 161 carrying on a patented manufacture în a private manner, without license, is prima 807 tag facies evidence of e 333 & seq. INVENTION, a patent may be sustained for in the United 50 in Great Britain, if known at the time of the ap- if it consist of a new conformation of parts, 63, 64 143, 228 INVENTOR, original, of a machine, entitled to a priority of has a right to his invention, even before his pa- 47,56 55 162 to 164 cannot be sustained for a sole invention of is inconsistent with several patents for the M. MACHINE, consisting of a perfectly new conformation of MAKING a patent machine for use, with a design to use it, 42 43 43 228 287 to 291 MATERIALS of a patent machine, sale of by Sheriff lawful may mean the same thing with engine 296 74, 75 99, 133 127, 129 0. OATH of inventor to a new machine prescribed its omission does not destroy the patent P. PATENT is prima facie evidence of a new and useful in- vention cannot be for an effect only 61,325, 326 cannot be maintained for merely a new application 141 145 . must not be more extensive than the invention 148, 149 if for a new combination, and does not claim any 153 158, 159, 258 162 to 166 166 to 169 mode of proceeding to obtain in the U. States when void, patentee cannot enforce the performance of a covenant for the observance of an exclusive PRINCIPLE, not alone the foundation of a patent R. REPRESENTATIVES, legal, of a deceased inventor, may obtain a patent 42, 332 |