IPA design sub-class-12-15 — IP Australia Designs Examiners' Manual – Sub-class 12-15

TYRES AND SNOW CHAINS FOR VEHICLES 12-15 A Tyres with a tread pattern having one or more zigzag, parallel-edged, unbranched, circumferential grooves as the major feature. B Tyres with a tread pattern having one or more straight, parallel-edged, unbranched, circumferential grooves as the major feature. C Tyres with a tread pattern having distinctly separated raised blocks of tread as the major feature. D Tyres for bicycles, lawnmowers, prams, scooters and similar vehicles. E Snow and mud tyres. Tyres having a broad deep transverse tread (e.g. bar and winter tread tyres). Tractor tyres. F Snow chains and other traction-improving devices. Tyre and tube valves and caps. Tubes. Z Tyres for vehicles not elsewhere specified. Tyre wall and shoulder patterns.