Dating early english documents
Dating early english documents - jamaican women dating sites
Searching by name or subject If you do not know the patent year and number then you can make a search either by inventor name or by the subject of the invention.
If a technical specification for any of these patents was found, then its text was transcribed in full and engravings were made of any drawings.Most British patents from 1890 onwards are available on the European Patent Office's Espacenet database which you can access free of charge on the internet.We do have paper copies of these patents but access to them is restricted for conservation reasons.We also have a few examples of Scottish and Irish parchments.From October 1852 onwards British patents covered the whole of the United Kingdom and were printed and published regularly each week in pamphlet form.The most useful paper indexes for patent name and subject searching are: Note: For British patents from 1890 onwards you can search the Espacenet database by name, by number and by words in the title.
Our patent information specialists know the collection very well and are always happy for you to contact them for help and advice.
English patents granted before October 1852 were first printed and published in a numbered sequence in the mid-1850s.
The numbered sequence runs from GB1 of 1617 to GB14359 of September 1852.
Before October 1852, details of granted English patents were simply recorded (enrolled) in the Patent Rolls at the end of a long, cumbersome and costly application process. The details recorded in the Rolls usually included the name, rank and address of the patentee, the title of the invention, a formal recitation of the terms of the monopoly (patent) granted and the date of grant.
From the 1730s onwards patentees were also obliged to file a specification which described their invention in technical detail.
All the information you need on visiting the library and applying for a pass to use our reading rooms is here.