Dating british patent numbers

The table in section 6 shows the classifications used.The clerks sometimes placed items in the wrong material class so that, for example, a book binding may be misfiled as a carpet.Prior to that date, an estimated 9,957 patents had been issued.

The user should note that while the data in this table have been checked, it still is possible that inadvertent errors remain.

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.

Registration was not compulsory, so many designs will not be found in our records.

Until 1839 there had been copyright protection for some textiles, but most areas of the decorative arts, such as glass, metalwork, ceramics and wallpapers, had no copyright protection at all.

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.

There is information about each design in two places: The representations are pasted into large leather bound registers and have a registered design number stamped on them.

The same number is recorded in the register so that you can cross refer between the two volumes.

Ornamental or decorative designs were registered for copyright under a series of Acts of Parliament (see table headings at section 6).

Registration protected the decorative elements of the design from being copied and manufactured without permission.

Read The National Archives’ blog posts on design registers.

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