AU 90
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AU 90 = Wind and flying machines
Apparatus for moving in air, for utilizing the energy of moving air, and for setting free air in motion.
Atmospheric ventilation appliances.[1]
(This in turn was grouped as part of a range, numbers 90–99, dealing with Railways and Transportation.)[2]
As of 1911, only the odd-numbered sub-classifications were used, and the even numbers reserved. The titles of the sub-classifications, which were not mutually exclusive, were:
- AU 90.1: Balloons and aerostats
- AU 90.3: Flying machines
- AU 90.5: Special aerial motors, &c
- AU 90.7: Wind-wheels and windmills
- AU 90.9: Ventilating apparatus
AU 90.0 was designated Miscellaneous.
References
- ↑ Australian Official Journal of Patents: Classification of Manufactures: Being Subject-matter for Patents of Invention as Stated in the Statute of Monopolies, A.D. 1623: Numerical Subject List and Word Index (1911), p. 206.
- ↑ Australian Official Journal of Patents: Classification of Manufactures: Being Subject-matter for Patents of Invention as Stated in the Statute of Monopolies, A.D. 1623: Numerical Subject List and Word Index (1911), p. 3: "Thematic Grouping of Subjects".
Links
- Group 90 in 1906
This wiki has 0 patents in category "AU 90".
| Enclosing categories | Australian patent classifications |
|---|---|
| Subcategories | AU 90.1, AU 90.3, AU 90.5, AU 90.7 |
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