Journal of the Franklin Institute, Volume 19Pergamon Press, 1837 - Electronic journals Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. |
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acid ammonia apparatus appears applied beam belts boiler Brazil wood Breadth Breaking weight Broke canal carbonic carbonic acid centre chloride coal colour committee containing copper cylinder degree diameter direction Effective strain elasticity employed engine equal Experiments on bar fact feet filed section Franklin Institute friction furnace gates glass grains grooved Gulf Stream hydrogen invention iron Juniata Iron latent heat length lever lime liquid lock Manufactured mean area ment mercury Messrs metal miles nearly nitric acid observations obtained oxide pass patent pig metal plate portion potash pounds pressure produced pyrometer quantity rays REMARKS screw section of fracture side solution Specific gravity specific heat specimens spike square inch standard piece steam storm substance sulphate sulphuric acid surface TABLE Temp temperature thermometer thickness timber tion trial tube vapour velocity vessel wheel wind wire XIX.-No zinc
Popular passages
Page 32 - 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 steam-boilers from bursting, and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.
Page 201 - That in all cases where an appeal is now allowed by law from the decision of the Commissioner of Patents to a board of examiners, provided for in the seventh section of the act to which this is additional, the party, instead thereof, shall have a right to appeal to the Chief Justice of the district court of the United States for the District of Columbia, by giving notice thereof to the Commissioner, and filing...
Page 28 - Lord one thousand eight hundred and thirtysix, or in an assignment of any patent, or interest therein, executed and recorded prior to the said fifteenth day of December, may, without charge, on presentation or transmission thereof to the Commissioner of Patents, have the same recorded anew in the Patent Office, together with the descriptions, specifications of claim and drawings annexed or belonging to the same ; and it shall be the duty of the commissioner to cause the same, or any authenticated...
Page 29 - ... being first entered of record, and the application therefor being duly made, and the specification duly sworn to by the inventor. And in all cases hereafter, the applicant for a patent shall be held to furnish duplicate drawings, whenever the case admits of drawings, one of which to be deposited in the office, and the other to be annexed to the patent, and considered a part of the specification.
Page 230 - DETRIMENTAL to the power of the battery : the copper plate is also covered with a coating of metallic copper, which is continually being deposited ; and so perfect is the sheet of copper thus formed, that, on being stripped off, it has the polish, and even a counterpart of every scratch of the plate on which it is deposited.
Page 201 - And be it further enacted, That in all cases in which an oath is required by this act, or by the act to which this is additional, if the person of whom it is required shall be conscientiously scrupulous of taking an oath, affirmation may be substituted therefor. SEC. 14. And be it further enacted...
Page 199 - Office: and it shall thereafter be considered as part of the original specification to the extent of the interest possessed by the claimant and by those claiming under him after the record thereof.
Page 28 - A nd be -it further enacted, That whenever it shall appear to the Commissioner that any patent was destroyed by the burning of the Patent Office building on the aforesaid fifteenth day of December, or was otherwise lost prior thereto, it shall be his duty, on application therefor by the patentee or other person interested therein, to issue a new patent for the same invention or discovery, bearing the date of the original patent, with his certificate thereon that it was made and issued pursuant to...
Page 198 - Office a duplicate, as near as may be, of the original model, drawings, and description, with specification of the invention or discovery, verified by oath, as shall be required by the Commissioner; and such patent, and copies of such drawings and descriptions, duly certified, shall be admissible as evidence in any judicial Court of the United States, and shall protect the rights of the patentee, his administrators, heirs, and assigns, to the extent only in which they would have been protected by...
Page 200 - ... also, an additional copying clerk, at an annual salary of eight hundred dollars. And the Commissioner is also authorized to employ, from time to time, as many temporary clerks as may be necessary to execute the copying and draughting required by the first section of this act, and to examine and compare...