H.—lo.

H. —Table showing Number of Applications for Patents for the Different Classes of Inventions for each of the Years 1923, 1924, and 1925.

I.—Applications pending at End of Year 1925. Total, 2,069. J.—Patents in Force at End op Year 1925. Patents sealed from 31st December, 1922 to 31st December, 1925 .. .. 2,905 Third-year fees paid from 31st December, 1922, to 31st December, 1925 .. 1,955 Sixth-year fees paid from 31st December, 1915, to 31st December, 1925 .. 1,981 Seventh-year fees paid from 31st December, 1916, to 31st December, 1925 .. 364 Total .. .. .. .. .. .. .. 7,205

6

I Class. | 1923. 1921. 1925. Class. 1923. 1924. 1925. Advertising and displaying signs, 26 32 27 Illuminating (except gas-manufao- 71 75 67 &c. ! ture) Aeronautics .. .. .. 7 7 7 Indicating, calculating, and measur- 84 53 56 Amusements, music, exercisers, 84 75 81 ing (including moisture-testers) games, &o. Attaching and scouring (including 76 44 | 46 Kitchen utensils and oooking- 85 67 62 bolts, ties, &c.) applianoes (including ovens) Boilers (steam) .. .. .. 12 20 14 Lifting, hauling, and loading .. 50 52 71 Boots and shoes.. .. .. 39 32 I 37 Locks, latches, and hinges .. 33 30 26 Bottles, bottling, and glass-working 29 .31 j 28 Boxes, cans, and casks .. .. Ill 107 j 80 Marine and submarine (including 16 28 29 Brewing, distilling, &c. .. .. 12 7 9 lake and river engineering) Brooms and brushes (including 20 24 16 Marking (tickets, labels, &c.) .. 13 8 9 mops) j Medicines and surgical appliances 49 33 33 Building-construction .. .. 60 18 47 (including ear-instruments, dental „ (brick and cement com- 69 64 j 50 work, &c.) positions and moulding) | j Metal-working (inoluding welding, 36 27 37 (windows and doors) 56 30 33 j stamping, and plating) j Milking-machines* .. 94 72 58 Chemicals .. ... .. 35 39 36 | Minerals (inoluding filtration, lixi- 35 28 20 Cleaning, polishing, &c. .. .. 26 24 j 27 j viation, screens, &o.) Closets and urinals .. .. 33 25 I 18 j „ (magnetic separators) .. 2 Coin-freed mechanism .. .. 2 .. 5 „ (stampers and pulverizers) 1 ! 1 5 Cooling and freezing .. 31 19 19 Cultivating and tilling .. .. 34 62 68 Oils and lubricators .. .. 37 24 36 Cutting and sawing, and tools .. 85 55 j 65 Paints and painting (inoluding 18 17 11 Dairying* .. .. 98 59 j 37 l<auri-gum) Drains and sewers .. .. 7 10 | 5 Pipes, tubes, and hose .. .. 29 j 29 21 Dredging and excavating (inoluding 8 13 12 Preserving .. .. .. 22 22 11 rook-drills) j Presses .. .. 23 9 14 Drying .. .. .. 26 20 i 16 Printing and photography .. 38 39 31 Pumps and sprayers (except rotary 29 13 15 Electricity and magnetism .. 122 124 i 126 pumps) Engines (air, gas, and oil) .. 49 56 1 52 (steam), including rotary 25 13 8 Railways and tramways .. 81 65 58 pumps j Boads and ways (inoluding road- 21 19 28 „ (miscellaneous and engine 90 59 | 75 watering) accessories), including current motors, solar ' Seed-dressing, chaff-cutting, and 13 7 5 motors, tide motors, ! threshing wave motors, wind- Seed-sowers .. .. .. 4 5 9 mills miscellaneous Sewing and knitting .. ..29 13 14 motors Sheep and cattle (including veteri- 26 34 25 Explosives, firearms, and targets 5 1 7 nary applianoes) Exterminating (including trapping 26 24 39 Sheep shearing and clipping 10 8 7 animals) Shop and hotel fittings .. .. 25 19 15 Stationery and paper .. 62 38 34 Fencing .. .. 20 26 20 „ (strainers) .. .. 6 5 11 Telephony and telegraphy (including 128 164 213 Fibre-dressing (including rope- 14 8 18 phonographs) making) Tobacco .. .. 11 9 16 Filters .. .. .. .. 8 3 8 Fire alarms, escapes, ladders, and 23 28 15 Valves and cocks .. ..21 29 18 extinguishers Vehicles .. .. .. 175 212 226 Pood .. .. .. 30 34 27 „ (velocipedes) .. 45 42 35 Furnaces and kilns (including smoke- 26 18 14 Ventilating .. .. .. 9 6 3 consumers) Furniture and upholstery, desks, 100 63 61 Washing and cleansing .. 32 27 22 blinds, curtains, &c. Water-supplying .. 16 19 13 Wearing-apparel .. .. j 75 48 49 Gas-manufacture for lighting, heat- 15 8 9 Wools and hides .. 13 7 10 ing, or power purposes Miscellaneous inventions not in j 23 18 13 Harness (including horse, &c., covers) 8 8 7 other classes, as indiarubberHarvesting and grading .. 20 15 8 manufacture, fishing-appliances, Heating, and fuel-manufaoture .. 79 77 86 &o. * Prior to 1911, milking-machines were included in class "Dairying," but are now a separate class. Note.—-Owing to some inventions being classified under more than one heading, the figures will total more than the actual number of applications received.