Being out of date; antiquated; outmoded; unfashionable.
Film outside of the expiry date stamp, found on the film box. (this date indicates the useful life of the material in terms of maintaining its published speed and contrast.) (see Contrast & Speed)
old; no longer in use or valid or fashionable; "obsolete words"; "an obsolete locomotive"; "outdated equipment"; "superannuated laws"; "out-of-date ideas"