...of the plaintiff. Then, whether Wain, the grantee, did, by his specification in the bill mentioned, particularly describe and ascertain the nature of the invention, and in what manner it is to be-performed. I think he did. On that I also find for the plaintiff. Then, as to the utility to the...

...alleged invention was not an invention of any manner of new manufacture ; that the specification did not particularly describe and ascertain the nature of the invention, and in what manner the same was to be and might be performed : that the alleged inventor did not sufficiently distinguish...

...specification the nature of the invention shall be described,, but that the complete specification shall particularly describe and ascertain the nature of the invention, and in what manner the same is to be performed. " If, therefore, it were possible to depart from the nature of the invention...

...effect is favorable to the patentee or not. The proviso in the patent requires a specification " to describe and ascertain the nature of the invention, and in what manner it is to be performed " ; and in complying with that proviso, the patentee must not only describe and ascertain the inven* 137 tion,...

...1852, for the preparation of specifications, are that the complete specification of a patent "shall particularly describe and ascertain the nature of the invention, and in what manner the same is to be performed." If this provision be complied with, the validity of the patent, so far...

...rather than disclosing the invention. The condition of the patent is, that the specification shall particularly describe and ascertain the nature of the invention, and in what manner the same is to be performed. If a combination of machinery for effecting certain results has previously...

...patent to file with his application a complete ' specification particularly describing and ascertaining the nature of the invention and in what manner it is to be performed.' Now seeing that many valuable mechanical and chemical inventions can only be perfected by the making...

...what is shewn in the specification. The term and condition of the patent is that the patentee shall " particularly describe and ascertain the nature of the invention and in what manner the same was to be performed." Accordingly, we look at the specification to see what is the nature...

...provisional specification must describe the nature of the invention. A complete specification, whether left on application or subsequently, must particularly...describe and ascertain the nature of the invention. Both must be accompanied with drawings, if required. All specifications must commence with the title....

...first, that declaring the grant to be void if the said AB, his executors or administrators, shall not particularly describe and ascertain the nature of the invention, and in what manner the same is to be performed, by an instrument in writing (to wit, the specification), under his or...