Rule 10 Terminology and Signs

10.1    Terminology and Signs

    • (a) Units of weights and measures shall be expressed in terms of the metric system, or also expressed in such terms if first expressed in terms of a different system.
    • (b) Temperatures shall be expressed in degrees Celsius, or also expressed in degrees Celsius, if first expressed in a different manner.
    • (c) [Deleted]
    • (d) For indications of heat, energy, light, sound, and magnetism, as well as for mathematical formulae and electrical units, the rules of international practice shall be observed; for chemical formulae, the symbols, atomic weights, and molecular formulae, in general use, shall be employed.
    • (e) In general, only such technical terms, signs, and symbols should be used as are generally accepted in the art.
    • (f) When the international application or its translation is in Chinese, English, or Japanese, the beginning of any decimal shall be marked by a period, whereas, when the international application or its translation is in a language other than Chinese, English, or Japanese, it shall be marked by a comma.

10.2    Consistency

The terminology and the signs shall be consistent throughout the international application.