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One of the more popular styles of closures for the Mason jar was the wire bail.

The closure consists of a metal wire arrangement with a lever that applies leverage to a glass lid when pivoted downward against the side of the jar, clamping it down over a separate rubber O ring.

"Patent Nov 30th 1858," signifying the date of Mason's patent, was embossed on thousands of jars, which were made in many shapes, sizes, and colors well into the 1900s.

Within a short time he sold the patent rights to several individuals, including Henry Putnam and Karl Hutter. De Quillfeldt used the term "Lightning" to refer to the sealing method, but the closure's popular use on fruit jars led to the name, Lightning fruit jar.The court ruled that Mason's delay in protecting his patent indicated he had abandoned his invention in the intervening years between 18 and had forfeited his patent.The court's decision allowed other manufacturers to patent, produce, and sell glass jars for canning.Once cooled, the band is removed to prevent residual water between the jar threads and the lid from rusting the band.

If the jar seal is properly formed, internal vacuum will keep the lid tightly on the jar.

Between 18, many other patents were issued for Mason jar improvements and closures.

Apr 19, 2013. Not that there's anything wrong with that Unlike, say, the Edison bulb, the design of the mason jar has virtually no room for improvement, and its timelessness is certainly part of its appeal—as an object, it is imbued with. Join over 300,000 designers who stay up-to-date with the Core77 newsletter.… continue reading »

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Looking for History of the Home Canning Jar and Collecting Antique Mason, Ball and Kerr Jars in 2018? Scroll down this page and follow the links. And if you bring home some fruit or vegetables and want to can, freeze, make jam, salsa or pickles, see this page for simple, reliable, illustrated canning, freezing or preserving.… continue reading »

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Oct 3, 2013. Rarer still are cobalt blues, blacks, and milk glass jars. Embossing Thousands of canning jars were embossed with the Mason patent date, November 30, 1858. Jars actually were embossed with this for over 50 years so the embossing in itself should not be the sole criteria for determining date and value.… continue reading »

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A Mason jar, named after John Landis Mason who first invented and patented it in 1858, is a molded glass jar used in home canning to preserve food. The jar's mouth has a screw thread on its outer perimeter to accept a metal ring or "band". The band, when screwed down, presses a separate stamped tin-plated steel.… continue reading »

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Sep 1, 2016. Mason jars are molded glass jars primarily used to store food. Mason jars have a rubber ring on the inside of the screw-top lid that creates an air-tight seal. They get their name from their inventor John Landis Mason who patented the jars in 1858, as explained by Wikipedia. Mason jars are also referred to.… continue reading »

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