Last modified on 27 June 2014, at 16:53

Patent drawing

Middlebrook paperclip machine patent, 1899

A patent drawing is a technical drawing of an patent invention, that shows the nature of the invention. The drawing must show every feature of the invention specified in the claims, and is required by the patent office rules to be in a particular form.

18th century patent drawingsEdit

19th century patent drawingsEdit

First half of 19th centuryEdit

1850sEdit

1860sEdit

1870sEdit

1880sEdit

1890sEdit

20th century patent drawingsEdit

1900sEdit

1910sEdit

1920sEdit

1930sEdit

1940sEdit

1950sEdit

1960sEdit

1970sEdit

1980sEdit

1990sEdit

21th century patent drawingsEdit

See alsoEdit