Answer: prototype

AnswerCrossword Clue
PROTOTYPEFirst model
PROTOTYPEOriginal model
PROTOTYPEModel
PROTOTYPEPatent office submission, maybe
PROTOTYPEEarly model
prototypeA building, vehicle, or other object that acts as a pattern for a full-scale model
prototypeA first or preliminary model of something, esp. a machine, from which other forms are developed or copied
prototypethe first or original type or model from which anything is copied / to make a prototype
prototypeA basic filter network with specified cutoff frequencies, from which other networks may be derived to obtain sharper cutoffs, constancy of characteristic impedance with frequency, etc
prototypeA typical example of something
prototypeThe archetypal example of a class of living organisms, astronomical objects, or other items