Summary

by John Marshall Harlan Chicago Railway Equipment Company v…

The transaction is, in legal effect, what it would have been if the maker, who purchased the cars, had given a mortgage back to the payee, securing the notes on the property until they were all fully paid. The agreement, by which the vendor retains the title, and by which the notes are secured on the cars, is collateral to the notes, and does not affect their negotiability. It does not qualify the promise to pay at the time fixed, any more than would be done by an agreement of the same kind embodied in a separate instrument in the form of a mortgage.
Source: Wikisource

by John Marshall Harlan Chicago Railway Equipment Company v…

Without deciding whether the notes here in suit would or would not have been negotiable securities if the transaction between the parties had been a conditional sale, we are of opinion that they are of the class of instruments that are negotiable according to the mercantile law, and which, in the hands of a bona fide holder for value, are protected against defenses of which the maker might avail himself if sued by the payee. they are promises in writing to pay a fixed sum of money to a named person or order, at all events, and at a time which must certainly arrive.
Source: Wikisource

by John Marshall Harlan Chicago Railway Equipment Company v…

It does not, in our judgment, do anything more. So that we are to inquire whether the notes in suit are not negotiable securities according to the custom and usages of merchants.
The defendant insists that, in view of the agreement for the retention by the payee of the title to the cars until all the notes of the same series, principal and interest, are fully paid, the transaction was only a conditional sale of the cars.
Source: Wikisource

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