...particularly describe and ascertain the Nature of his said Invention, and in what Manner the same is to be performed, by an Instrument in Writing under his Hand and Seal, and cause the same to be filed in within Calendar Months next and immediately after the Date of these Our...

...inventor do not, by an instrument under hie hand and seal, denominated a specification, particularly describe and ascertain the nature of his invention, and in what manner the ваше is to be performed, and aUo cause the same to be enrolled in Chancery within a certain time...

...184S, by an instrument in writing, to wit, the specification under his hand and seal, particularly describe and ascertain the nature of his invention, and in what manner the same was to be performed ; and did afterwards, and within six calendar months next and immediately after the date of the letters-patent,...

...becoming void if the patentees should not particularly describe and ascertain the nature of their said invention, and in what manner the same was to be performed, by an instrument in writing under their hands and seals or the hand and seal of one of them, and cause the same to be enrolled, &c. within...

...should not par- 1852. ticularly describe and ascertain the nature of the said in- \yALUNOTON vention, and in what manner the same was to be performed, by an instrument in writing, dated under his hand and seal, and cause the same to be enrolled in her Majesty's High Court of Chancery...

...particularly described and ascertained the nature of the said invention, and in what manner the same is to be performed, by an instrument in writing under his hand and seal, and has caused the same to be duly filed in :] And we, being willing to give encouragement to all arts...

...particularly describe and ascertain the nature of his invention, and the manner in which the same is to be performed, by an instrument in writing under his hand and seal, within a certain time named in the patent. This period is allowed to give him opportunities of perfecting...

...the said plaintiff RW Sievier did not particularly describe and ascertain the nature of his alleged invention, and in what manner the same was to be performed, by any instrument in writing, in manner and form as the plaintiffs had in their declaration in that behalf...

...useful inventions are now granted in England ; and by a proviso, or condition, always inserted in every patent, the patentee is bound particularly to describe...nature of his invention, and in what manner the same is to be constructed or made, by an instrument in writing, under his hand and seal, and to cause the...

...nature tion and the means by which the invention is carried into invention practice — the inventor is to describe and ascertain the nature of his invention, and in what manner the same is to means. be performed. Now, it has been already pointed out,3 that an invention may have a character...