f the Interior.

3--Freight, postage or other charges on matter sent to the office must
be prepaid in full. Otherwise it will not be received.

4--The correspondence of the office will be held with the applicant,
unless he shall have appointed an attorney to represent him, or unless
he shall have assigned the entire interest of his invention, in either
of which cases the correspondence will be held with such attorney or
such assignee.

5--A separate letter, should in every case, be written in relation to
each distinct subject of inquiry or application.

INFORMATION TO CORRESPONDENTS.

6--The office cannot respond to inquiries as to the novelty of an
alleged invention in advance of an application for a patent.

7--_Caveats_, and pending applications, are preserved in secrecy. No
information will be given respecting the filing of any _caveat_ or
application for a patent without authority from the applicant, unless it
shall be necessary to the proper conduct of business before the office.

8--After a patent has been issued, the model, specification and drawings
are subject to general inspection, and copies, except of the model, will
be furnished on the terms published with these rules.

ATTORNEYS.

9--Any person of intelligence and good moral character, may appear as
the agent or the attorney-in-fact of an applicant upon filing a proper
power of attorney.

10--Powers of attorney may be revoked at any stage of the proceedings in
a case; and when so revoked, the office will communicate directly with
the applicant or such other attorney as he may appoint. The assignee of
the entire interest may be represented by an attorney of his own
selection.

APPLICANTS.

11--Any person who has invented or discovered any new and useful art,
machine, manufacture, process or composition of matter, or any new or
useful improvement thereof, not known or used by others in this country,
or described in any printed publication before his invention or
discovery thereof, may upon payment of the fees required by law and
other due proceedings had, obtain a patent therefor. Provided, also,
that if such person has received a patent or patents for his invention
or discovery from any foreign government, he may also obtain a patent
therefor in this country, unless the article patented has been
introduced into public use in the Hawaiian Islands for more than one
year prior to his application for a patent.

12--In case of the inventi