Sound and smell can both be used as trademarks. Neither of these types of trademarks can be seen. The NBC chime is an example of sound used as a trademark.


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Pink insulation is an example of the use of color as a trademark. You can sometimes get a trademark on a particular product's color when it is used soley to make a product distinctive.


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The use of "TM" does not mean that a trademark has been registered with the USPTO. Only this symbol - ® - means that a trademark has been registered.


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POPPIN' FRESH ® was registered by the Pillsbury Company on August 4, 1970.


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The words 'escalator' and 'thermos' are not registered trademarks.


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The Virginia farmer who asked to use his name as a trademark for flour in 1772 was George Washington.