Each box, tightly packed, contains about eight hundred
letters.
* * * * *
The first steam vessel used in Great Britain was called the _Comet_, and
built by Henry Bell in 1812. It was thirty tuns burden.
* * * * *
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.
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