Abbildungen der Seite
PDF
EPUB

3

Table showing the number of patents, reissues, designs, and additional improvements granted at the Patent Office in Washington during each month of the year 1851.

[blocks in formation]
[merged small][merged small][merged small][merged small][merged small][merged small][subsumed][subsumed][ocr errors][merged small][subsumed][ocr errors][merged small][subsumed][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small]

Table showing the number of patents issued to citizens of different States during the year 1851.

[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small]

Patents, reissues, designs and additional improvements are all included in this table,

IV.

CLASSIFIED LIST OF PATENTS THAT HAVE EXPIRED IN THE YEAR 1851.

CLASS I.-Agriculture, including instruments and operations.

[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors]

CLASS II.-Metallurgy and manufacture of metals.

[blocks in formation]

IV.—Classified list of patents, &c.—Continued.

[blocks in formation]

CLASS III.-Manufactures of fibrous and textile substances, including machines for preparing fibres of wool, cotton, silk, fur, paper, &c.

[blocks in formation]

IV.-Classified list of patents, &c.—Continued.

[blocks in formation]

CLASS IV.-Chemical processes, manufactures, and compounds, including medicine, dying, color-making, distilling, soap and candle-making, mortars, cements, &c.

[blocks in formation]

IV.-Classified list of patents, &c.—Continued.

[blocks in formation]

CLASS V.-Calorific, comprising lamps, fireplaces, stoves, grates, furnaces for heating buildings, cooking apparatus, preparations of fuel, &c.

[blocks in formation]
« ZurückWeiter »