A badge of origin.
'Escalator' is one of many words that were originally trademarks but have become ordinary words found in dictionaries. Some other words which were originally trademarks (or still are) are: aspirin, cellophane, cornflakes, cube steak, ditto, gunk, heroin, kerosene, lanolin, mimeograph, moxie, pablum, phillips screw, tabloid, thermos, trampoline, windbreaker, yo-yo, zipper.
A badge of origin.
'Escalator' is one of many words that were originally trademarks but have become ordinary words found in dictionaries. Some other words which were originally trademarks (or still are) are: aspirin, cellophane, cornflakes, cube steak, ditto, gunk, heroin, kerosene, lanolin, mimeograph, moxie, pablum, phillips screw, tabloid, thermos, trampoline, windbreaker, yo-yo, zipper.