Issued By The United States Patent Office,. For The Week Ending December 10, 1867. Reported Officially For The Scientific American

PATENTS ARE GRANTED FOR SEVENTEEN YEARS the following being a schedule of fees:--

 On filing each Caveat $10

On filing each application for a Patent, except for a design $15

On issuing each original Patent $20

On appeal to Commissioner of Patents $20

On application for Reissue $30

On application for Extension of Patent $50

On granting the Extension $50

On filing a Disclaimer $10

On filing application for Design (three and a half years) $10

On filing application for Design (seven years) $15

On filing application for Design (fourteen years) $30 

In addition to which there are some small revenue-stamp taxes. Residents of Canada and Nova Scotia pay $500 on application.

Pamphlets containing the Patent Laws and full particulars of the mode of applying for Letters Patent, specifying size of model required, and much other information useful to Inventors, may be had gratis by addressing MUNN & CO., Publishers of the Scientific American, New York.

71,836.-MACHINE FOR NOTCHING KNITTING NEEDLES.-W. Aiken, Franklin, N.H.

I claim 1st, The improved machine, substantially as described, for effecting the several operations of notching, slotting, boring, and burring a knitting machine needle blank, in the order and manner as explained.

2d, Also, the combination of one or more vibratory clamps, Y, the cam, E, and the two burrs or cutters, q r, for forming the notches in the needle blank such clamp or clamps, cam and cutters being provided with mechanism for operating them, substantially as described.

3d, Also the combination of one or more vibratory clamps Y, the cam, E, the two burrs or cutter wheels, q r, and the slotting burr or cutters, s, provided with mechanism for operating them substantially as explained,

4th, Also, the combination of one or more rotary clamps, Y, the cam, E, the burrs or cutter wheels, q r s, and the drill, u, provided with mechanism for operating them, substantially as set forth.

5th, Also, the combination of one or more vibrating clamps, the burring cutter, t, the drill, u, and the slotting cutter, s, arranged and provided with mechanism for operating, substantially as explained.

71,837.-TEA AND COFFEE POT.-Alfred Arnold, Tenafly, N.J.

I claim 1st, In a tea or coffee boiler, the base, D, so constructed and adapted, relatively to the other parts, that an oscillating motion will be imparted to the vessel by process of ebullition, substantially as shown and described.

2d, In combination with the base or heating-surface, D, the chambers, b b', and diaphragm, E, or their equivalents, substantially as arranged and described, and for the purposes shown.

71,838.-TOOL FOR SIZING LAMP CHIMNEYS.-Lewis J. Atwood, (assignor to himself and Holmes, Booth and Haydens), Waterbury, Conn.

I claim the adjustable sizing and shaping-jaws employed, substantially as specified, in the manufacture of glass lamp chimneys and similar articles.

71,839.-MODE OF PREVENTING THE UNTWISTING OF THE ENDS OF WIRE ROPE BANDS.-Arthur Barbarin, New Orleans, La.

I claim a wire rope band, in which the ends of the several wires composing the same are soldered together, substantially as herein described and shown in the accompanying drawings, and for the purposes set forth.

71,840.-SPRING-BED BOTTOM.-Alonzo B. Baty, Binghamton, N.Y.

I claim the construction and application of the bracket, B, in combination with the bail or pendant, C, the springs, D D, transverse pieces, F F, and slats, A A, all being constructed substantially as herein described and represented, for the purpose set forth.

71,841.-HORSE-RAKE.-H.L. Beach, Montrose, Pa., assignor to Beach Wheel Horse-Rake Manufacturing Company, N.Y.

I claim 1st, The teeth heads, N, constructed and operating substantially as described.

2d, In combination with the teeth heads, N, the teeth, Q, substantially as described.

3d, The arms, K, and teeth heads, N, combined and operating substantially as set forth.

4th, The cleaners, M, teeth heads, N, and teeth, Q, when combined for the purposes indicated.

5th, The blocks, f, pins, c, sliding bar, E, and lever, G, when combined for the purposes set forth.

6th, The hooks, i i, and pins, j, secured in the axle for the purpose shown.

7th, The washers, P, combined with the teeth and teeth heads, substantially as and for the purpose described.

71,842.-APPARATUS FOR LIGHTING STREET GAS-LAMPS.-J. W. Beard, St. Johns, New Brunswick.

I claim the combination of the hook, F, and the perforated cap, E, with the lamp, D', to be affixed on a pole or staff, as set forth.

Also, the combination of the curved or hooked arms, c c, with the key, k, of the cock of the burner, and their arrangement with respect, to the opening in the bottom of the lantern, as explained.

Also, the combination of the socket tube, e, with the lamp, D', its hook, F, and perforated cap, E.

Also the combination of the receiving tube, f, and bayonet connection, g, with the socket tube, e, the lamp, D', its hook and perforated cap, as described.

71,843.-CALIPER AND T-SQUARE.-Joseph Bennor, Philadelphia, Pa.

I claim the rule, a, stand, c, slide, m, legs, p and q, marker, u, cutter, w, with their several described appendages, all combined in the manner and for the purpose substantially as shown and described.

71,844.-REFRIGERATOR.-Ferdinand Borchard, Detroit, Mich.

I claim 1st, A refrigerator which is provided with movable racks, H, within cooling chambers which are arranged beneath an ice chamber, B, constructed with inclined walls, a a a, a drip pan, D, and an ice-supporting rack, c, substantially as and for the purposes described.

2d, Providing the movable racks, with sliding brackets, I, which are so applied as to serve as supports for the outer ends of the racks when drawn partially out of their respective apartments, substantially as described.