The comptroller may, on request in writing accompanied by the prescribed fee,—
(a)correct any clerical error in or in connexion with an application for a patent or in any patent or any specification ;
(b)cancel the registration of a design either wholly or in respect of any particular goods in connexion with which the design is registered ;
(c)correct any clerical error in the representation of a design or in the name or address of the proprietor of any patent or design, or in any other matter which is entered upon the register of patents or the register of designs.