The pressure from the automatic machine was strong and the molds fit tight leaving only a very thin line.In the neck on the right notice how just below the collar the mold seam goes complete around the neck. Both of these medicine bottles look much like their earlier counterparts.the pontil is actually broken glass where the metal rod used to hold the bottle while the lip was form was broken off leaving a sharp scar.Beginning collectors often confuse an Owen's ring with a pontil mark and it is easy to see why this happens.If your collectible has a patent number then information about its history is recorded.
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The amount of bottle related information thaty can be found in the Official Gazette is astonishing.All of the patents, designs, trademarks and labels were recorded in a document known as the Official Gazette .These were published weekly, and bound into hard bound volumes by the year.The table shows that by 1900 over thirty-three thousand had been issued.
Design Patents became patentable in the year 1842, the first one was granted for a style of printing type.
Labels were apparently granted registration rights the same year as trademarks.