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Posted by / 12-Aug-2016 05:23

Us patent dating chart

: It has come to my attention that some oddly colored Nov 30th 1858-type jars (shades of red and yellow, probably other colors exist) have recently surfaced for sale on auction sites. We can be assured that ALL jars with this mold number are reproductions (modern fakes or ‘fantasy’ jars). If anyone has further info on this type of jar, or knows of other mold numbers that ID fakes, please contact me! Also…….of August 4, 2014, unusually colored midget (Consolidated Fruit Jar Company logo) NOV 30TH 1858 jars have been reported with a mold number on the base: H39s (the “9” is backwards and the “S” looks somewhat like a backward “Z”). John Landis Mason was awarded patent #22186, issued on November 30, 1858 by the U. Patent & Trademark Office (actually the patent was termed an “Improvement in screw-neck bottles”), for his invention concerning the process of creating a threaded screw-type closure on bottles and jars.

Similar screw-threading been done before on some bottles, but the process of forming the upper lip area of the container (so that it was smooth, even, and sturdy enough for a lid of standard size to be screwed thereon) was difficult and expensive to do properly, often with unsatisfactory results.

A detailed Patent Technology Monitoring Team report, titled Issue Dates and Patent Numbers Since 1836, which contains first patent numbers and the day of issue for patents issued since 1963, also may be of interest. Patent and Trademark Office Electronic Information Products Division - PTMT P.

In addition, the Patent and Trademark Office has a file that lists all patent numbers and their associated dates of grant. See the link labeled, "Click here to download the zipped Patent Grant Authority Files". O Box 1450 Alexandria VA 22313-1450 tel: (571) 272-5600 fax: (571) 273-0110 email: [email protected] of PTMT pages at the USPTO Web Site: PTMT files available for download at : Is there a question about what the USPTO can or cannot do that you cannot find an answer for?

His improvement revolutionized home canning in the United States.

The very first jars with the Nov 30 1858 patent date embossing are to have been made at the “Crowleytown” Glass Works (more accurately the Atlantic Glass Works), located in Washington Township, New Jersey. The “Crowleytown” jars have a more pronounced square shoulder, differing in appearance from the typical later types.

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Always remember, patent date is only when something was patented, not when it was actually made, many items were manufactured for many years after it was patented.The following table displays the calendar year along with the first corresponding document number issued in each year for selected patent document types (utility, design, plant, and reissue patents and statutory invention registrations) (*) The current patent numbering system began with a patent issued on July 13, 1836.Prior to that date, an estimated 9,957 patents had been issued.Questions remain on exactly which companies made these jars during the early years, since the 1858 patent evidently lasted 13 years (or 20 years, counting a patent reissue), and ostensibly during that time period no one was allowed to produce the jars because of patent infringement issues unless they were granted permission by Mason, or the licensed holder of the patent.In any case, throughout the next 60-odd years, production of jars with the Nov.

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