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RULES OF PRACTICE

IN THE

UNITED STATES PATENT OFFICE.

REVISED APRIL 1, 1892.

1

General revision December 1, 1879, to take effect January 1, 1880.

First revised edition September 1, 1880, under which Rules 20, 30, 31, 89, par. (1) of 50, 55, 94, 101, 111, 116, 117, 118, 119, 120, 134, 144, 160, 171, and 209 were amended.

Second revised edition April 15, 1882, under which Rules 39, 46, 85, 86, 94, 124, and 171 were amended, and Forms 17 and 18 consolidated and amended as Form 17.

Third revised edition February 1, 1883, under which Rules 20, 26, 39, 47, and 59 were amended, and notes * * inserted at bottom of pages 9 and 17.

Fourth revised edition November 15, 1883, under which Rules 20, 26, and 165 were amended.

Fifth revised edition March 1, 1881, under which Rules 26, 62, and 209, and Form 37, were amended.

Sixth revised edition August 12, 1884, under which Rules 35, 67, 137, and 138 were amended.

Seventh revised edition March 3, 1885, under which Rules 53, 94, 97, 102, 104, 105, 106, 107, 116, 119, 126, 157, and 171 were amended.

Eighth revised edition November 16, 1885, under which Rules 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 44, 45, 47, 86, 140, 144, and 145 were amended.

Ninth revised edition July 13, 1886, under which Rules 10, 67, 74, and 77 were amended.

Tenth revised edition March 9, 1887, under which Rule 171 and Form 21 were amended and Forms 19, 52, and 53 were inserted.

2

Eleventh revised edition April 18, 1888 (being a general revision,) un-
der which new rules, 44, 2d and 3d paragraphs of 46, 2d par. of 77,
105, 2d par. of 111, 132, 157, 166, 228, and 229 were inserted, and the
changes in the numbering of the rules, were as follows:

Pres.
Old No.

Old No.
ent No.

Pres-

Old No.
ent No.

Pres.

Old No.
ent No.

Pres.

Old No.
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ent No.

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RULES OF PRACTICE

IN THE

UNITED STATES PATENT OFFICE.

REVISED APRIL 1, 1892.

ences.

The following rules of practice, duly adopted and approved Rev.Stat., seca,

481, 483, 489. by the Secretary of the Interior, designed to be in strict accordance with the Revised Statutes relating to the grant of patents for inventions, are published for gratuitous distribution. Marginal references to corresponding provisions Marginal referof the Revised Statutes and of the rules of July 1, 1891, are given for the convenience of the public and of the office.

The observance of the appended forms, in all cases to Observance of which they may be applicable, is recommended to inventors mended. and attorneys.

Printed copies of the Revised Statutes relating to the Printed copies grant of patents may be obtained on application to the nished. Commissioner.

W. E. SIMONDS,
Commissioner of Patents.

forms recom

of statutes tur.

CORRESPONDENCE.

1887–1. Business to be

1. All business with the office should be transacted in writing. Unless by the consent of all parties, the action of the transacted in

writing. office will be based exclusively on the written record. No attention will be paid to any alleged oral promise, stipulation, or understanding in relation to which there is disagreement or doubt. 2. All office letters must be sent in the name of the “Com- 1887—2.

Correspondence missioner of Patents." All letters and other communica- to be in the name tions intended for the office must be addressed to him; if sioner. addressed to any of the other officers they will ordinarily be returned. 3. Express charges, freight, postage, and all other charges 1887.2.

All charges o on matter sent to the Patent Office must be prepaid in full; be prepaid. otherwise it will not be received.

of the Commis.

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