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

CLASS XX.-Surgical and medical instruments, including trusses, dental instruments, bathing apparatus, &c.

Inventions or discoveries.

Bandages, pads.
Teeth, artificial
Truss for hernia..
Truss for hernia..

Truss for hernia..

Truss for hernia.....

Inventions or discoveries.

Garments, cutting...

Garments, draughting coats, geo

metrical measure for. Garments, draughting forepart of

coats.

Garments, pantaloons measurer..
Garments, standard measure for

coats.

Tailoring, system of....

Patentees.

Robert Thompson....
Charles M. Graham
Elijah Jaquith
Heber Chase, M. D...
Richard Salisbury.
Josiah Hungerford

Inventions or discoveries.

Ice, preparing, for shipping.
Splints for friction matches.
Tobacco spinning.

CLASS XXI.-Wearing apparel, articles for the toilet, &c., including instruments for manufacturing.

Patentees.

Bodkin for inserting corset rings Jonathan S. Turner....

into cloth.

...

....

..

Residence.

CLASS XXII.-Miscellaneous.

Nathaniel J. Wyeth...
Stephen Dole....
Hiram M. Smith.

1837.

Columbus, Ohio..... Jan. 29
Philadelphia, Pa..... Mar. 9
Brattleborough, Vt.. Mar 11
Philadelphia, Pa.... June 10
Providence, R. I..... Nov. 4
Dover, N. H..................

Dec. 26

Residence.

Middletown, Ct...........|

Exeter, N. H..............
Ovid, N. Y........................

.....

Date of patent.

Residence.

......

Date of patent.

Moyamensing, Pa...
Danvers, Mass........
Boston, Mass..
Newark, N. J....... July 17

1837. April 25

July 11

April 25

Sept. 28

Sept. 21

Dec. 36

Date of patent.

1837.

Cambridge, Mass... Dec. 1
Concord, N. HA
May 30
Richmond, Va................... Dec. 20

List of designs that have expired during the years 1849 and 1850, heretofore inadvertently omitted, together with a list of

those that expire in 1851.

Types, for...
Bathing tub..
Corpse preserver.
Carpets, painted..
Coffee pots.
Carpets....

Cloths, floor, printing..
Cloths, floor, printing..

Girandoles, (assigned to H. N. Hooper & Co., Boston, Mass)..

Lamps....

Metals, impression on, (assigned to L. C. Ives, Bristol, Conn.).
Springs, door..

Stove columns, (assigned to Johnson, Geer & Cox)..

Statues..

Stoves, cooking.

Carpets, canvass.............

.........

Carpets
Grates....
Pencil cases......
Stoves....

Stove-plate, (assigned to Johnson, Geer & Cox, Troy, New York).

Spoons, forks, &c..
Whistle, child's...

Stoves.....

Bust of Theodore Frelinghuysen, (assigned to J. G. Wellstood).. Salathael Ellis.

Bust of Robert Burns.......

John C. King..
Jacob D. Edwards..
Henry G. Thompson.
Adam Hampton...
George W. Simons.
Amaziah Whitney
Ezra Ripley.
Michael Gibney.
Henry Dubosq..

Alphabetical list of persons whose patents have expired during the year 1851, with their inventions or discoveries, and class.

Patentees.

....

Abbott, Andrew.....
Adams, Isaac....
Adams, Samuel.
Adams, Nathaniel....
Akin, Aaron
Aldrich, Elisha F....
Allen, Granville D......
Alger, Cyrus..
Allen, Ethan
Ames, John.....
Ambler, John.....
Andrews, Ethan A.
Andrews, James...
Andrews, Robert W.
Arnold, Eliphaz W......
Austin, William E...

Stove radiators.

Sleds, hold back for......

Knives or dirks, attaching, to pistols.
Inking rollers, temperature of, &c.....
Door plates....

Auld, Washington, and James Cox.. Cooking stove, heating buildings, &c..

Barton, William M........
Barker, John.......

Hulling clover seed.....

Barker, John.......
Barron, James...

Blow-pipe for blast furnaces..
Blast furnace.......
Cooking stove and galley..
Ovens for stoves...

...

Barker, David W.......
Barrows, Ebenezer.
Barron, James.

Barton, Thomas C.......
Barton, Thomas C.......
Bayley, Moses...

Barnes, Joel............................
Baldwin, Moses.........
Barber, Erastus....

..............

Berry & Rand..... ... ... ... ... ... ... ... ... ... ... ....
Beckwith, Ira L...................
Bishop & Brooks...
Beale, Robert....
Bishop, William C......
Blackall, Joseph....
Blanchard, Thomas..
Blaney, Benjamin.
Blenis, George O....
Bowling, Alexander W.
Bogardus, James..
Bowman, James T...
Brooks, Jonathan.
Broadmeadow, Simeon..
Broadmeadow

..........

....

......

.......

...

....

Inventions or discoveries.

...

Cooking stove.
Hulling coffee berry...
Pumps

Brick, moulding and pressing...
Shingle shaving..
Inclined planes...

Tobacco press.

Cannon, cast..
Locks for fire arms.
Paper sizing

Saw mill...

......

Stoves, quadrant hinge for.
Dock, floating, dry...
Tire bending...

Tire for wheels, drilling.

..........

Press, rotary, for woolen goods..
Press, standing...
Saddles, spring.
Garments, standard measure for coats.
Nails and brads, cutting.
Spokeshave....
Nails, wrought...
Hames for harness in shaft.
Garments, draughting coats, &c...
Screws, cutting..

Hats, bodies, batting, or web for.
Stoves, non-radiating, &c....
Cistern, rain-water..
Threshing machine.
Fluids, measuring..
Press, tobacco, for rolled...
Threshing and hulling clover seed..
Furnace for shear-steel, &c...
Furnace for smelting ore..
Flax and hemp dressing..
Cooking, generating steam for..
Stove pipes and drum...
Inclined planes....

Carriages, disengaging horses from.
Weather strips, &c.
Brick mould.......
Strainers for milk pails..
Winnowing, separating, &c.
Loom......

.........

.......

Class.

V.

I.

XI. XV.

XIV.

IX.

XII.

XIX.

XIX.

III.

XIV.

V.

X.

XIX.

XVIII.
II.

V.

I.

II.

II

V.

V.

V.

XIX.

X.

X.

XI.

XII.

XVI.

XXI.

II. XIV.

II.

XVI.

XXI.

II.

Ill.

V.

XI.

X.

XI.

XII.

I.

II.

II.

III.

V.

V. IX. X.

XIV.
XV.

I. I. III. XII.

XV.

XVII.
XIX.

I.
XIV.

Alphabetical list of persons, &c.—Continued.

Class.

XXI.

XX.

IV.

1.

IV.

IV.

V.

V.

VI.

XIX.

XIV.

XIX.

XIX.

III.

IV.

VI.

X.

XVIII.

XI.

X1.

XII.

I. VIII.

XIX.

I.

I.

II.

IV.

V.

X.

V.

VII. XXII. V.

VI.

IX.

X.

VI.

XIX.

IX.

XVI.

XVI.

XIV.

XI.

XIX.

IV.

X.

II.

V.

VII.

XII.

XVI.

XIX.

IV. XVI. II. XVIII. II. XI.

XV.

VII.

Alphabetical list of persons, &c.—Continued.