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OFFICIAL REPORT OF PATENTS AND CLAIMS

Issued by the United States Patent Office,

FOR THE WEEK ENDING DECEMBER 10, 1867.

_Reported Officially for the Scientific American_


PATENTS ARE GRANTED FOR SEVENTEEN YEARS the following being a schedule
of fees:--

On filing each Caveat $10
On filing each application for a Patent, except for a design $15
On issuing each original Patent $20
On appeal to Commissioner of Patents $20
On application for Reissue $30
On application for Extension of Patent $50
On granting the Extension $50
On filing a Disclaimer $10
On filing application for Design (three and a half years) $10
On filing application for Design (seven years) $15
On filing application for Design (fourteen years) $30

In addition to which there are some small revenue-stamp taxes. Residents