Lapas attēli
PDF
ePub

1st Scssion.

No. 118.

[blocks in formation]

CONTENTS.

1. THE PATENT OFFICE-ITS ADMINISTRATION, &c.
II. FINANCES AND STATISTICS,
III. CLASSIFIED LIST OF EXPIRED PATENTS.
IV. ALPHABETICAL LIST OF EXPIRED PATENTS.

V. CLASSIFIED LIST OF PATENTS ISSUED.
VI. ALPHABETICAL LIST OF PATENTS ISSUED.
VII. INVENTIONS AND CLAIMS.
VIII. EARLY AMERICAN INVENTIONS.
IX. COMMUNICATIONS.

X. THE WORLD'S EXPOSITION OF 1851.
XI. INFORMATION TO APPLICANTS FOR PATENTS.

WASHINGTON:

ISHING
ROBERT ARMSTRONG, PRINTER.

7 T 223 .H

//

[ocr errors][subsumed]

32

Page. IX.-Civil Engineering and Architecture.

32 X.-Land Conveyance....... XI.-Hydraulics and Pneumatics. ....

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

31 XIJI.–Grinding Mills and Mill Gearing.......

34 XIV.-Lumber, including Machines and Tools for Preparing and Manufacturing. 34 XV.-Stone and Clay Manufacture....

35 XVI.—Leather, including Tanning, Dressing, and Manufacture..

36 XVII.-Household Furniture, Machines and Implements for Domestic Purposes.. 36 XVIII.-Arts, Polite, Fine, and Ornamental......

37 XIX.–Fire-arms and Implements of War.

37 XX.-Surgical and Medical Instruments...

38 XXI.—Wearing Apparel, including Implements for Manufacturing

38 XXII.-Miscellaneous.....

38 List of Designs that have expired in the years 1849, 1850, and 1851...

39

IV. ALPHABETICAL LIST OF EXPIRED PATENTS.

Alphabetical List of Persons whose Patents have expired during the year 1851, with their

Inventions or Discoveries.....

40

V. CLASSIFIED LIST OF PATENTS ISSUED.

54

Classified list of Patents for Inventions and Discoveries granted during the year 185).... 47,
I–Agriculture, including Implements and Operations...

47 II.—Metallurgy and Manufacture of Metals......

49 III.-Manufacture of Fibrous and Textile Substances......

52 IV.-Chemical Processes, Manufactures, and Compounds... V.-Calorifics, comprising Lamps, Fire-places, Stoves, &c...

56 VI.-Steam and Gas Engines...

58 VII.-Navigation and Maritime Implements...

59 VIII.—Mathematical, Philosophical, and Optical Instruments.

60 IX.-Civil Engineering and Architecture...

61 X-Land Conveyance.......

62 XI.-Hydraulics and Pneumatics.....

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

64 XIII.-Grinding Mills and Mill Gearing.

65 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 XVIII.-Arts, Polite, Fine, and Ornamental. .....

72 XIX.–Fire-arms and Implements of War.......

73 XX.-Surgical and Medical Instruments........

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

75 XXII.-Miscellaneous....

75 Patents Reissued during the year 1851.....

76 Alphabetical list of Patents for Designs in 1851.

77 Patents extended during the year 1851......

81 Additional Improvements granted in 1851.

82 Disclaimers entered during the year 1851....

82

[ocr errors]
« iepriekšējāTurpināt »