Dating antiques by patent number

One of the first types of safes manufactured in the United States was the , which later became known as the Hobnail Safe.First made in the late 1820s, workers constructed the safes from a wooden chests covered with pieces of sheet iron.Try it first Below is the link to the US Patent office website where if you have the patent number you can view the patent papers.With only the date it becomes a more involved process at this site and you can find out information about searching for the patent there.In business for only two years, from 1834-1835, this company secured a patent in their first year to use asbestos as the fireproofing material.Recently the Elizabeth Street Gallery offered one of the few remaining safes by the John Scott Safe Company for a selling price of ,500.In point of fact, those patent dates apply only to certain aspects of the case design and indicate only when those general designs were patented.Those designs were used on many watches produced over a number of years, and the applicable patent date in no way indicates when any particular watch was produced.

See special notes and further info at the bottom of the page.Also please note there are instructions on the site for downloading the tiff program that you will need to view the patent files if you use this site. If you have patented & mechanical antiques that are for sale, please contact us at Antiq [email protected] any of the headings in the left column for more information on specific categories of antiques we are interested inv buying or can help you sell.To see examples of antiques that I currently have for sale please go to our sister site at The tables in section 6 should help you find the right records.The National Archives has representations for around 2,950,000 designs registered between 18.

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