THE HONGKONG GOVERNMENT GAZETTE, DECEMBER 23, 1921. 555
OFFICE OF REGISTRAR OF TRADE MARKS.
No. 553. It is hereby notified that the following Letters Patents have been granted:--
umber.
Date of Grant.
Name of Grantee.
Address of Grantee.
Description of Invention.
No. 27 of 1921.
14th December, 1921.
Marconi's Wireless Telegraph Company Limited, Electrical
Marconi House, Strand, London, England.
An
Engineers.
No. 28 of 1921.
do.
do.
do.
An
No. 29 of
do.
do.
do.
1921.
No. 30 of
do.
do.
do.
1921.
No. 31 of
do.
do.
do.
1921.
No. 32 of
do.
do.
do.
1921.
No. 33 of
do.
do.
do.
1921.
No. 34 of
do.
do.
do.
1921.
do.
do.
No. 35 of
1921.
do.
No. 36 of 1921.
do.
do.
do.
No. 37 of
do.
do.
do.
1921.
invention for improvements in Aerial Systems employed in Wire- less Signalling.
invention for improvements in Aerial Systems employed in Wire- less Telegraphy and Telephony.
An invention for improvements in or relating to Vacuum Tubes of the Audion Type.
An invention for improvements in Thermionic Am- plifiers and Detec-
tors.
An invention for
for
improvements in Receivers Wireless Signals.
An invention for im-
provements
in
Receivers
for
Wireless
Tele-
graphy.
An invention for im-
in
provements Directed Wireless Telegraphy.
An invention for im-
provements
in
Aerial Systems for Wireless Signale ling.
An invention for im- in
provements Reflectors for us-
in Wireless Tele- graphy and Tele- phony.
An invention for im-
provements Wireless graphy.
in Tele-
An invention for im-
provements in and relating to Relay Arrangements for Alternating Cur-
rents.
556
THE HONGKONG GOVERNMENT GAZETTE, DECEMBER 23, 1921.
Number.
Date of Grant.
Name of Grantee.
Address of Grantee.
Description of Invention.
No. 38 of 1921.
14th December, 1921.
Marconi's Wireless Telegraph Company Limited, Electrical
Marconi House, Strand, London, England.
An
invention for improvements in
Receivers
Engineers.
Wireless
for
Tele-
No. 39 of 1921.
do.
do.
do.
An
No. 40 of 1921.
do.
do.
do.
19th December, 1921.
graphy.
invention for
System of Direct--
ed Wireless Tele- graphy.
for
An invention
improvements in and relating to, Hertzian Wave Telegraphy.
G. N. ORME,
Registrar of Patents.
No. 554.-It is hereby notified that the registration of the following trade marks has been renewed under the provisions of the Trade Marks Ordinance, 1909 :-
Number of Mark.
Date of Registration.
Name of Owner.
Period of Renewal.
Class in
which renewed.
Nos. 113-118 of 1907.
19th December, 1907.
Cammell Laird & Co., Ld.,
of Cyclops Works, Sheffield, England.
19th December, 1935.
5 & 6
19th December, 1921.
G. N. ORME, Registrar of Trade Marks.
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