Classified list of patents that have expired during the year 1846—Continued.

CLASS v.–CALorific, comprisiNG LAMPs, FIREPLACEs, stoves, GRATEs, FURNAcEs For HEATING BUILDINGS, CookING

Baker, reflecting tin - -
Baker and roasting, double reflecting
Binnacle lights - - -
Chimneys, preventing smoking and
extinguishing fire - - -
Cooking apparatus - -
Cooking apparatus - -
Cooking stove - -
Cooking stove - -
Cooking stove, coal - -
Cooking stove and fireplace
Cooking stove, portable
Cooking stove, revolving -
Fenders, fire, shaping - -
Fireplace, building and altering, for
burning coal - - -
Furnaces, hot-air, and bake ovens, &c.

- William Prescott

| Boston, Mass. -
| Baltimore, Md. -

Rensselaerville, N. Y.

James Alwater - - || New Haven, Conn.

Grates - - - -
- F. Bush & Linus Pratt - || Meriden, Conn. - -

Gridirons - - - Heat, abstracting from smoke by basket grates - * - -

Daniel Steinhauer - Philadelphia, Pa.

Classified list of patents that have expired during the year 1846–Continued.

CLASS VII.-NAVIGATION AND MARITIME IMPLEMENTs, comprisiNG ALL vessels For convey ANCE ON water, THEIR con

STRUCTION, RIGGING, AND PROPULsion, Diving DREsses, LIFE PRESERVERs, &c.

Constructing boats and vessels -
Ice steamboat - - -
Plugs, cutting for ships, by a centre-

point spring bit - - -
Propelling boats - - -
Propelling steamboats, canals -

- graham -
Steering ships, &c. . - - Elijah Soule -
Truss, for vessels - - - Jonathan T. Quimby
Ventilating vessels, and purifying air

in them - - - - - Jesse Remington -
|

John Sheffield and J. In

cLass viii.-MATHEMATICAL, PHILosophic AL, AND optical InstruMENTs, INCLUDING CLocks, chroMoMETERs, &c.

Alarm bell, for timepieces - - Robert Wilson - -
Clocks - - - - Rufus Porter - --
Clocks - - - - James S. Seger - -
Clocks, striking part - - - George Parker - -
Clocks, striking part - - - James Bogardus -

Compass, surveying - -
Lightning, protecting vessels from

William J. Young
Elisha L. Keen -

cLAss Ix,-civil, ENGINEERING AND ARCHITECTURE, COMPRISING works on RAIL AND COMMON ROADS, BRIDGES, CANALs,
whAR v Es, Docks, Rive Rs, wie Rs, DAMS, AND OTHER INTERNAL IMPROVEMENTs, BUILDINGs, Roofs, &c.

Buildings, securing against fife -
Canals, locks, securing water in, &c.
Dock, dry - - - - -
Dock, screw, floating - -
Doors - - - -
Gate, purchase, labor-saving rotary -
Inclined planes, cog-wheels, for propel-

ling railway and locomotive cars up
Marine railway - - -
Railroad cars, and cars - -
Railroad switches - - -
Stairs, circular, &c. - - -
Stumps, extracting, and removing

houses - - - John E. Larkin - - Salem, N. Y. - - October 25, 1832. Window sash - - - Charles Thompson - || Poughkeepsie, N.Y. - || December 6, 1832. * - - - - ." -- **** Co ol. o

- Classified list of patents that have erpired during the year 1846 –Continued.

CLASS X. —LAND convey ANCE, CoMPRISING CARRIAGES, CARS, AND OTHER vehicles Used on Roads, AND PARTs THEREoF.