When did BBC apply for the TARDIS trademark ?
Brachacki ’s concept for the TARDIS interior included : the sterile , white timeless look the scattering about of random furniture and objects from different periods the central hexagonal console , designed so that all controls should be equally accessible to a single pilot the moving time column , intended to give an at-a-glance indication of the ship 's status and whereabouts the roundels set into the wall , intended to pulsate when the ship was in motion .