Patent drawing
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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 drawings[edit]
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1736
19th century patent drawings[edit]
First half of 19th century[edit]
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1808
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1810
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1822
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1829
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1850s[edit]
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1860s[edit]
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1870s[edit]
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1880s[edit]
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1889
1890s[edit]
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1899
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1899
20th century patent drawings[edit]
1900s[edit]
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1900
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1900
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1900
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1900
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1901
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1901
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1909
1910s[edit]
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1910
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1911
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1911
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1911
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1911
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1911
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1911
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1911
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1912
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1918
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1920s[edit]
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1920
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1930s[edit]
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1930
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1930
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1931
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1932
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1933
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1940s[edit]
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1941
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1941
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1944
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1946
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1948
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1950s[edit]
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1950
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1951
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1952
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1954
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1955
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1955
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1960s[edit]
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1969
1970s[edit]
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1970
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1971
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1971
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1972
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1972
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1973
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1974
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1975
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1978
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1978
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1978
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1980s[edit]
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1980
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1983
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1984
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1984
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1989
1990s[edit]
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1990
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1992
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1993
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1993
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1994
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1995
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1995
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1999
21st century patent drawings[edit]
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1904
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2004
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2004
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2005
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2007
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2009
Other[edit]
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patents pdf
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patent law