Du Buque visitor. [volume] (Dubuque, Lead Mines, Wisconsin Territory) 1836-1837, 1837-05-17
EAD MINEs) TERRITORY WEDNESDAY H.
Commissioner of the Patent Office

Commissioners of the Patent Office,
statement Of al! the authenticated CO.
pies OF Patents, descriptions, speciilca-
tions, and drawings Of inventions and
discoveries made and executed prior to
the aforesaid fifteenth day Of Decem-
Der, which may be found on the files
OF his office; and also to make out and
transmit to said Commissioners, for
record as aforesaid, u certified copy Of
every such patent, description, speci-
ficat;on, or drawing which shall be
specially required BY sail Commits
sionsr.
! SECTION 9. find be 1t further en-
aIs5, hat copies Of such record and
drawings, certified by the Commits
sionef, or, ia his absence, by the chief
clerk shall be prima facic evidence
Of ,hd particulars Of the invention and
Of tie patent granted therefor, in any
Judieial Court of the United States, in
all cases where copies o! the original
recoAl or specification and drawings
would be evidence, without proof Of
the ldss Of such originals; and no pa
tent issued prior to the aforesaid ff-
teentl day Of December shall, after
the Fl fstsday Of June next, be received
in evidence in any Of the said Courts
in behalf Of the patentee or other per-
son Who shall be in possession Of the
sameI unless it shall have been SO re-
corded anew, and drawing Of the in
vcntibn, if separate from the patent,
verified as aforesaid, deposited in the
Patent Office: nor shall any written
assignment of any such patent, cxecu-
ted and recorded prior to the said fiji
teentk day Of December, be received
in evidence in any of the said courts
in behhlf Of the assignee or other per-
son in possession thereof, until it shall
have been so recorded anew.
SEcTIoN 8. lind be ii further en-
acted, That whenever it shall appear
10 the Commissioner that any patent
was destroyed by the burning Of the
| Patent Office building on the aforesaid
fifteenth day Of December, or was
otherwise lost prior thereto, it shall be
his duty, on application therefor by
the patentee o: other person interest
led therein, 10 issue new patent for
the same invention or discovery, bear
ing the date Of the original patent,
with his certificate thereon, that it
was made and issued pursuant to the
provisions of the third section Of this
act, and shall enter the same Of record:
Provided, h0ueuer, That before such
patent shall be issued, the applicant
therefor shall derosite in the Patent
Office duplicate, as near as may be,
Of the original model, drawings and
description, with specifications Of the
invention or discovery, verified by
oath, as shall be required by the Com
missioner; and such patent and copies
ofsuch drawings and descriptions, du-
~ certified, shall be admissible as ev-
i,ience in any judicial court Of the
United States, and shall protect the
rights Of the patentee, his ad.niniatra-
tors, heirs, and assigns, to the extent
only in which they would have been
projected by the original patent and
specification.
SECTION a, .4ud be II further en-.
0cted, That it shall be the duty Of
the Commissioner 10 procure a dupli.
cate of such ofthc models destroyed by
FIRE on the aforesaid fifteenth day Of
December. as were most valuable and
Interesting. and whose preservation
would he i.nrortant to the public: and
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