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patentee, without neglect or fault on his part, having failed to obtain, from the use and sale of his invention, a reasonable remuneration for the time, ingenuity, and expense bestowed upon the same, and the introduction thereof into use, it shall be the duty of the Commissioner to renew and extend the patent, by making a certificate thereon of such extension, for the term of seven years from and after the expiration of the first term; which certificate, with a certificate of said board of their judgment and opinion as aforesaid, shall be entered on record in the Patent Office; and thereupon the said patent shall have the same effect in law as though it had been originally granted for the term of twenty-one years. And the benefit of such renewal shall extend to assignees and grantees of the right to use the thing patented, to the extent of their respective interest therein: Provided, however, That no extension of a patent shall be granted after the expiration of the term for which it was originally issued.

. And be it further enacted, That there shall be provided for the use of said office, a library of scientific works and periodical publications, both foreign and American, calculated to facilitate the discharge of the duties hereby required of the chief officers therein, to be purchased under the direction of the Committee of the Library of Congress. And the sum of fifteen hundred dollars is hereby appropriated, for that purpose, to be paid out of the patent fund.

. And be it further enacted, That it shall be the duty of the Commissioner to cause to be classified and arranged, in such rooms or galleries as may be provided for that purpose, in suitable cases, when necessary for their preservation, and in such manner as shall be conducive to a beneficial and favorable display thereof, the models and specimens of compositions and of fabrics and other manufactures and works of art, patented or unpatented, which have been, or shall hereafter be deposited in said office. And said rooms or galleries shall be kept open during suitable hours for public inspection.

. And be it further enacted, That all acts and parts of acts heretofore passed on this subject, be, and the same are hereby repealed: Provided, however, That all actions and processes in law or equity sued out prior to the passage of this act, may be prosecuted to final judgment and execution, in the same manner as though this act had not been passed, excepting and saving the application to any such action, of the provisions of the fourteenth and fifteenth sections of this act, so far as they may be applicable thereto: And provided, also, That all applications or petitions for patents, pending at the time of the passage of this act, in cases where the duty has been paid, shall be proceeded with and acted on in the same manner as though filed after the passage hereof.

, July 4, 1836.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That so much of the several acts of Congress as imposes a discriminating duty upon goods, wares, and merchandise, imported in foreign vessels, be, and hereby is, suspended, so far as respects the produce or manufactures of Portugal proper, including Madeira, Porto Santo, and the Azores, when imported in vessels wholly and truly belonging to the subjects or citizens of said places; so that such produce or manufactures shall be subject to the same duties only as if imported in vessels of the United States: Provided, however, And [that] this suspension shall continue no longer than this section remains in force.