Originally Posted by 56f100:
According to James K Wagner's Ford Trucks Since 1905, the cabs were designed by Ford, tooled at Ford expense and produced by the Budd Co. a major Ford supplier. Any truck manufacturer which wanted to use this cab had to obtain Ford approval before purchasing. An exception to this was Mack which bought the major stampings and assembled them on a unique floorpan of it's own design.
According to Harvey Eckart's Mack Fire Trucks, 1,945 Model Ns were produced between 1958-1962. Five of these were delivered as fire trucks, the first in 1960, the last in 1963.
I suspect that Mack did have to compensate Ford in some way regardless of them buying the stampings from Budd. Doesn't really matter if the underpinnings are unique or designed separately; the overall cab body cosmetic design and contours right down to the overall shape of the grillwork and how it's positioned in relation to everything else would all be considered a trade dress (similar to a copyright since the design and look is distinctive), a trade dress that I'm sure Mack had to pay for since it uses the same styling cues as the Ford. And no, doing some minor cosmetic tweaks to the overall design isn't a free pass.
Could also be that Budd actually owned the "trade dress" design in addition to the original stampings and not Ford. Or it could be that regardless of ownership of the trade dress, they flat out didn't care what Mack did with it but I find that unlikely.