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1st Session.
No. 118.
REPORT
OF THE
T
223
.H
1851
pt. 1
CONTENTS.
1. THE PATENT OFFICE-ITS ADMINISTRATION, &c.
On the supervision exercised by the Secretary of the Interior...
Page.
9
12
14
16
17
18
19
20
Receipts and Expenditures for 1851.......
Table exhibiting the business of the Office for the last eleven years......
Table showing the number of Patents, Re-issues, Designs, and Improvements granted in
1851......
Table showing the number of Patents issued to citizens of different States in 1851...... 25
III. CLASSIFIED LIST OF EXPIRED PATENTS.
Classified List of Patents that have expired in the year 1851.......
I.-Agriculture, including Implements and Operations....
II.-Metallurgy and Mar.ufacture of Metals......
III.-Manufacture of Fibrous and Textile Substances...
26
27
VIII.-Mathematical, Philosophical, and Optical Instruments....
32
34
XIII.-Grinding Mills and Mill Gearing......
XIV. Lumber, including Machines and Tools for Preparing and Manufacturing. 34
XV.-Stone and Clay Manufacture....
35
36
XVI-Leather, including Tanning, Dressing, and Manufacture.....
XVII.-Household Furniture, Machines and Implements for Domestic Purposes.. 36
XVIII.-Arts, Polite, Fine, and Ornamental.......
XIX.-Fire-arms and Implements of War...
.....
XX.-Surgical and Medical Instruments......
XXI.-Wearing Apparel, including Implements for Manufacturing
XXII.-Miscellaneous.....
List of Designs that have expired in the years 1849, 1850, and 1851..
37
IV. ALPHABETICAL LIST OF EXPIRED PATENTS.
Alphabetical List of Persons whose Patents have expired during the year 1851, with their
Inventions or Discoveries......
V. CLASSIFIED LIST OF PATENTS ISSUED.
40
Classified list of Patents for Inventions and Discoveries granted during the year 1851.... 47,
I-Agriculture, including Implements and Operations....
II.-Metallurgy and Manufacture of Metals......
III.-Manufacture of Fibrous and Textile Substances....
IV. Chemical Processes, Manufactures, and Compounds....
47
49
52
54
V.-Calorifics, comprising Lamps, Fire-places, Stoves, &c....
VI.-Steam and Gas Engines.....
56
58
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. 70
XXI.-Wearing Apparel, including Implements for Manufacturing.