Pig in a poke while the English expression refers to the appearance of the trick. This taught many scammed people the phrase "Caveat Emptor", or "buyer beware" as translated from Latin. In the past, it was common for small farmers to put a pig in a cloth sack to bring it to market for sale. A "poke" is a sack or bag. It has a French origin as "poque" and, like several other French words, its diminutive is formed by adding "-ette" or "-et" — hence "pocket" began life with the meaning "small bag". "Poke" is still in use in several English-speaking places, including
Patent caveat Patent caveat A patent caveat, often shortened to caveat, was a legal document filed with the United States Patent Office. Caveats were instituted by the U.S. Patent Act of 1836, but were discontinued in 1909, with the U.S. Congress abolishing the system formally in 1910. A caveat was similar to a patent application with a description of an invention and drawings, but without examination for patentable subject matter and without a requirement for patent claims. A patent caveat was an official notice of intention to file a patent application at a later date. A caveat expired after one year, but