The Washington critic., 1885-11-26
NEW PATENT OFFICE RULES.
a Revision with Important Changes
and Additions.

The amendments to the rules of practice be.
fore the patent office have been completed
by the assistant secretary of the interior and
the commissioner Of patents The most radical
changes, ana those whose effect VIII materially
change the method OF fling claims and ap
plications, are as follows:
80 The specification must set orth the pre-
else invention for which a patent is solicited,
explaining the principle thereof and the best
mode in which the applicant has contemplated
applying that principle, SO as to distinguish 1t
from other inventions
&c. In case of Il mere improvement the spec
ifcation must particularly point out the parts
TO which II relates, and must, by explicit Ian
guage, distinguish between what Is old and
what is claimed as new, and the description
and the drawings, rs well as the claims, should
be confined to the specific improvement and
such parts as necessarily cooperate with H.,
81. The specification must conclude with Il
specific and distinct claim or claims of the
part, improvement, or combination which the
applicant regards as his invention or discovery.
50. Where there are drawings the descrip-
tiOn will refer TO the different views b. figures,
and to the different parts by letters or figures,
preferable the latter.)
80. The following order of arrangement
should be observed in framing the specltica.
tion:
lst Preamble stating the name and residence
of the applicant and the title of the invention,
and, If the invention has been patented in any
country, tho country or countries in which II
has been so patented, and the date and number
of each patent.
I'd. General statement of the object and ma
turc of the invention.
30. Brief description of the several views of
the drawings Qf the invention admits such
illustraton),
4th Detailed description.
9Th. Claim or claims,
9th. Signature of inventor
9TH Signatures Of two witnesses.
Ami tHR - NNR rAtp n n
requirements of rule 10, must also file with
their petitions a statement on oath as follows
lst That the applicant verify believes the
original patent to be imperative or invalid,
ID. Where It IS claimed that such patent Is 50
| imperative or invalid "by reason of defective
or insufficient specifications" particularly specl-
| lying such detects or insulCenCies
| ID. Where II Is claimed that such patent Is
| imperative or invalid "by reason of the pat
| entee claiming as his own invention or dlscOy.
| cry more than he had right 70 claim as new,
| distinctly stating such part or parts so alleged
| to have been so improperly claimed as new.
| Ath. Particularly specifying the errors which
| IL Is claimed constitute the inudYCrteucC acct
dent, or mistake relied upon, and how they
| arose or occurred.
9th. That said errors arose "without any
fraudulent or deceptive intention on the plr
40. Upon receiving petition which Shall
| state Concisely and clearly any proper ques-
| ton, which has been twice acted upon by the
examiner and which does not Involve th'
| merits Of the case, or tho rejection of n claim
and which shall also state the facts involved
and the point or points TO be reviewed, al
order VIII be made fixing n time for hearing
such petition by the commissioner, aud direct
ing the examiner TO report upon Or answer thl
| matters averItd In such petition at least iiYt
days before such day Ofheariug,
WI Immediately upon taking IN appeal Tho
| appellant must give notice ther eof TO the com
missioner Of patents, and flo In the patcn
oiice his reasons of appeal specifically set iortl
In writing,
li5, Pro iorma proceedings viii not here
after be had IN the patent OlhCc tOrthe purp1s
ofsecming to applicants an appeal ID the 40.
prCme court OF the District Of Columbia