High Quality Content by WIKIPEDIA articles! A patent model was a scratch-built miniature model no larger than 12" by 12" by 12" (approximately 30 cm by 30 cm by 30 cm) that showed how an invention works. It was one of the most interesting early features of the United States patent system.Since most early inventors were ordinary people without technological or legal training, it was difficult for them to submit formal patent applications which require the novel features of an invention to be described using words and a number of diagrams. Actually, the patent system then was very crude by today's standards. It was a good idea for these amateur inventors to submit a model with a brief explanation or drawing of it.

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