House Documents, Otherwise Publ. as Executive Documents

Alphabetical list of Patents for Designs in 1851.
Patents extended during the year 1851.............
Additional Improvements granted in 1851.....
Disclaimers entered during the year 1851..

.....

XX.-Surgical and Medical Instruments..

XXI.-Wearing Apparel, including Implements for Manufacturing..

......

38

39

40

XII.-Lever, Screw, and other Mechanical Power....

XIII.-Grinding Mills and Mill Gearing......

XIV. Lumber, including Machines and Tools for Preparing and Manufacturing. 66

XV.-Stone and Clay Manufactures....

68

XVI.-Leather, including Tanning, Dressing, and Manufacture....

69

XVII.-Household Furniture, Machines and Implements for Domestic Purposes.

VI. ALPHABETICAL LIST OF PATENTS ISSUED.

Page.

Alphabetical list of Patentees for the year 1851, with the names of their Inventions or

Discoveries..

VII. INVENTIONS AND CLAIMS.

Inventions and Claims for which Patents were granted during the year 1851..................

Inventions and Claims for which Patents were reissued during the year 1851.

1 imers entered during the year 1851.............

VIII. EARLY AMERICAN INVENTIONS.

Papers and Abstracts relating to early American Inventions, from the archives of the

States...

Conclusion....

On Chinese Horology, with suggestions on the form of Clocks adapted to the Chinese

market. By D. J. Macgowan, M. D.

Borden's Meat Biscuit..

IX. COMMUNICATIONS.

X. THE WORLD'S EXPOSITION.

The World's Exposition of 1851....

Report on the World's Exposition. By Edward Riddle....

I. Chemical and Pharmceutical Products....

Furs.....

Carpets.

III.-Machinery...

Specimens of Wood preserved by chemical process...

Vegetable and Animal Substances used in manufactures..

II.-Mining and Minerals.

383

Mining, Quarrying, Metallurgical Operations, and Mineral Products... 383

Substances used as Food, and in Manufactures...

Machines for direct use, including Carriages, Railway and Marine

Manufacturing Machines and Tools.

Civil Engineering, Architecture, and Building Contrivances....

Naval Architecture, Military Engineering, Ordnance, Armor, and

XI. INFORMATION TO APPLICANTS FOR PATENTS.

Of the Forms prescribed by law, and the Rules adopted by the Office..

For what Patents may be granted..............

To whom Patents may be granted.

Of Applications for Patents....

Of the Proceedings during Examination...

Of the Results of an Examination...

Of Additional Improvements....

Of Foreign Patents...

Of Caveats......

....

Of Assignments.....

Of the Fees-how payable...

Of Patent Agents.....

Of Correspondence....

Patent Office Reports.

.....

Of the Duration of Patents and the Penalty for illegally Stamping Articles...

Of the Repayment of Money deposited by mistake......

Of granting anew lost Patents, and such as were destroyed by the fire of 1836..

LETTER

OF

THE COMMISSIONER OF PATENTS,

IN RELATION

To Arts and Manufactures for the year 1851.

MAY 3, 1852.-Laid upon the table and ordered to be printed. AUGUST 30, 1852.-Ordered that 50,000 extra copies be printed. AUGUST 31, 1852.-Ordered that 10,000 extra copies be printed for the use of the Patent Office.

Hon. LINN BOYD,

UNITED STATES PATENT OFFICE,
March 13, 1852.

SIR: I have the honor of transmitting to you, with the view of its being laid before Congress, that portion of the Report of this Office for the year 1851 which relates to Arts and Manufactures. Its presentation has been delayed for the completion of a Report on the World's Exposition, by Mr. Riddle, commissioner from the United States, which it was desirable to include.

The second or Agricultural section of the Report will shortly be submitted.

Very respectfully, your obedient servant,

THOMAS EWBANK.

Speaker of the House of Representatives.

Grāmatas

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