The Franklin Journal, and American Mechanics' Magazine, Bände 17-18 |
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Seite 79
To retain the slide in its place , when pressed from below , and to retain the
fusible plate when in a similar situation , the forked stem , L pressed in the former
position by one leg , upon the slide , 8 , in the other by the other leg upon the disk
...
To retain the slide in its place , when pressed from below , and to retain the
fusible plate when in a similar situation , the forked stem , L pressed in the former
position by one leg , upon the slide , 8 , in the other by the other leg upon the disk
...
Seite 80
were cast from it ; and one of these being placed in the opening in the slide of the
apparatus already described , was covered with the pierced disk , and the slide
moved so as to bring the plate over the opening in the boiler . The steam was ...
were cast from it ; and one of these being placed in the opening in the slide of the
apparatus already described , was covered with the pierced disk , and the slide
moved so as to bring the plate over the opening in the boiler . The steam was ...
Seite 81
In this case the thinnest plates , when properly cast , were probably thick enough
to withstand the small pressure to which ... 4 , 5 , and 6 , with a less fusible alloy ,
show , first , that the thinnest plate was too feeble to resist the pressure of steam ...
In this case the thinnest plates , when properly cast , were probably thick enough
to withstand the small pressure to which ... 4 , 5 , and 6 , with a less fusible alloy ,
show , first , that the thinnest plate was too feeble to resist the pressure of steam ...
Seite 82
who make or use boilers , to obtain plates in preference to the fusible metal in
ingots ; on the ground that it will be found difficult ... A second plate of the same
composition and thickness , put in place ; fluid metal stands in the holes of the
cap .
who make or use boilers , to obtain plates in preference to the fusible metal in
ingots ; on the ground that it will be found difficult ... A second plate of the same
composition and thickness , put in place ; fluid metal stands in the holes of the
cap .
Seite 363
It soon arrives at a permanent condition , any oxide formed at the surface of the
zinc plates , being removed as soon as ... If a zinc and platinum plate , plunged
into dilute acid , be connected , by wires , with two platinum plates , which are
also ...
It soon arrives at a permanent condition , any oxide formed at the surface of the
zinc plates , being removed as soon as ... If a zinc and platinum plate , plunged
into dilute acid , be connected , by wires , with two platinum plates , which are
also ...
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Seite 273 - Be it known that I, John Fitch, of Philadelphia, in the county of Philadelphia, the State of Pennsylvania, have invented a new and improved mode of preventing...
Seite 446 - The Committee on Science and the Arts constituted by the Franklin Institute of the State of Pennsylvania, for the promotion of the Mechanic Arts, to whom was referred for examination a Solar Compass, invented by WM.
Seite 113 - ... That whenever any patent which has heretofore been granted, or which shall hereafter be granted, shall be inoperative or invalid, by reason of a defective or insufficient description or specification, or by reason of the patentee claiming in his specification as his own invention, more than he had or shall have a right to claim as new; if the error has, or shall have arisen by inadvertency, accident, or mistake, and without any fraudulent or deceptive intention...
Seite 444 - The Committee on Science and the Arts, constituted by the Franklin Institute of the State of Pennsylvania for the promotion of the Mechanic Arts, to whom was referred for examination, two reflecting telescopes, made by Mr.
Seite 115 - ... it shall be the duty of the commissioner to renew and extend the patent, by making a certificate thereon of such extension...
Seite 110 - ... case of any machine, he shall fully explain the principle, and the several modes in which he has contemplated the application of that principle or character, by which it may be distinguished from other inventions, and shall particularly specify and point out the part, improvement, or combination which he claims as his own invention or discovery.
Seite 113 - Every patent so reissued, together with the corrected specification, shall have the same effect and operation in law, on the trial of all actions for causes thereafter arising, as if the same had been originally filed in such corrected form...
Seite 112 - That every patent shall be assignable in law, either as to the whole interest , or any undivided part thereof, by any instrument in writing; which assignment, and also every grant and conveyance of the exclusive right under any patent, to make and use, and to grant to others to make and use, the thing patented within and throughout any specified part or portion of the United States , shall be recorded in the Patent Office within three months from the execution thereof, for which the assignee or grantee...
Seite 110 - Whenever, on examination, any claim for a patent is rejected, the Commissioner shall notify the applicant thereof, giving him briefly the reasons for such rejection, together with such information and references as may be useful in judging of the propriety of renewing his application or of altering his specification ; and if, after receiving such notice, the applicant persists in his claim for a patent, with or without altering his specifications, the Commissioner shall order a re-examination of...
Seite 109 - ... any new and useful improvement on any art, machine, manufacture, or composition of matter, not known or used by others before his or their discovery or invention thereof, and not, at the time of his application for a patent, in public use or on sale, with his consent or allowance, as the inventor or discoverer...