Numb. 105.

2297

SUPPLEMENT

TO THE

NEW ZEALAND GAZETTE

OF

THURSDAY, DECEMBER 20, 1900.

Published by Authority.

WELLINGTON, THURSDAY, DECEMBER 20, 1900.

CONTENTS.

Patent Agent registered .. .. .. .. 2297
Complete Specifications accepted .. .. .. 2297
Provisional Specifications accepted .. .. .. 2301
Letters Patent sealed .. .. .. .. 2302
Letters Patent on which Fees have been paid .. .. 2302
Subsequent Proprietors of Letters Patent .. .. 2302
Applications for Letters Patent abandoned .. .. 2302
Applications for Letters Patent lapsed .. .. 2302
Letters Patent void .. .. .. .. 2302
Applications for Registration of Trade Marks .. .. 2302
Trade Marks registered .. .. .. .. 2304
Trade Mark Renewal Fees paid .. .. .. 2304
Subsequent Proprietors of Trade Marks .. .. 2304

[NOTE.—Quarterly lists of Inventors, Inventions, and Designs and Trade-mark Applicants for the current year appear in Gazettes No. 29, of the 12th April, No. 63, of the 12th July, and No. 91, of the 25th October.]

Patent Agent registered.

Patent Office,
Wellington, 19th December, 1900.

IT is hereby notified that

THOMAS FREDERIC MARTIN,

of 27, Featherston Street, Wellington, New Zealand, Barrister and Solicitor, has been registered as a Patent Agent.

F. WALDEGRAVE,
Registrar.

Notice of Acceptance of Complete Specifications.

Patent Office,
Wellington, 19th December, 1900.

COMPLETE specifications relating to the under-mentioned applications for Letters Patent have been accepted, and are open to public inspection at this office. Any person may, at any time within two months from the date of this Gazette, give me notice in writing of opposition to the grant of any such patent. Such notice must set forth the particular grounds of objection, and be in duplicate. A fee of 10s. is payable thereon.

No. 12437.—28th February, 1900.—WILLIAM HEALEY, of Timaru, New Zealand, Plumber and Sanitary Engineer. A combined sanitary slop-bucket and night commode.*

Claim.—A slop-bucket and night commode, having a cavity such as B in drawings, a lid, and a seat, both provided with drop rims such as A, substantially as and for the purposes described, and shown on drawings.

(Specification, 3s. ; drawings, 1s.)

No. 12467.—19th March, 1900.—THE SULPHIDES REDUCTION (NEW PROCESS), LIMITED, having their registered offices at Broad Street House, New Broad Street, London, England, Manufacturers (assignees of Francis Ellershausen, of Broad Street House, New Broad Street, London, England, Gentleman). Improvements in the treatment of complex and refractory ores.*

Claims.—(1.) A process for extracting metallic lead and silver and compounds of zinc from complex and refractory ores, such process consisting in smelting the ore in a blast or cupola furnace, and withdrawing and collecting the fumes generated from the throat of the furnace so as to obtain them in chemical and mechanical combination, and enable the lead and zinc to be separated, substantially as described. (2.) A process for treating complex and refractory sulphide ores containing zinc and lead, such process consisting in smelting the ore in a blast or cupola furnace, drawing off the fumes generated from the throat of the furnace by means of a fan or exhauster which mixes the said fumes with water, the said water being then conveyed to settling-tanks in which the fumes are deposited, the deposited fumes being then treated with a crude caustic liquor so as to deposit metallic lead, and the remaining compound being then treated for separating the zinc, substantially as described. (3.) In a process of the kind described in claim 2, the described method of recovering such portion of the zinc as may have been dissolved in the water during condensation of the fumes, such method consisting in treating the zinc-solution with the alkali-solution remaining after the deposition of the metallic lead, substantially as described. (4.) The use for carrying out the process described in claims 1 or 2 of apparatus constructed substantially as described, and illustrated in the drawing.

(Specification, 6s. 6d. ; drawings, 1s.)

No. 12600.—12th May, 1900.—JOHN MITCHELL, of 388, Vauxhall Road, Liverpool, Lancaster, England, Bacon-curer. An improved preservative covering for hams, bacon, cheeses, and other provisions.*

Claims.—(1.) The described method of preserving hams, bacon, sausages, and cheese, which consists, firstly, in cover-