ty, N. J. February 14, 1871.

381.--STEAM AND OTHER SAFETY VALVES.--Walter Dawson Scranton, Pa.
February 15, 1871.

388.--IRON RAILS AND BARS, AND MODES OF MANUFACTURING THE
SAME.--Eldridge Wheeler, Philadelphia, Pa. February 15, 1871.

* * * * *

OFFICIAL LIST OF PATENTS.

ISSUED BY THE U. S. PATENT OFFICE.

FOR THE WEEK ENDING MARCH 7, 1871.

_Reported Officially for the Scientific American._

SCHEDULE OF PATENT FEES

On each Caveat $10
On each Trade-Mark $25
On filing each application for a Patent, (seventeen years) $15
On issuing each original Patent $20
On appeal to Examiners-in-Chief $10
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 an application for Design (three and a half years) $10
On an application for Design (seven years) $15
On an application for Design (fourteen years) $30

_For Copy of Claim of any Patent issued within 30 years_ $1
_A sketch from the model or drawing, relating to such portion of
a machine as the Claim covers, from_ $1
_upward, but usually at the price above-named._

_The full Specification of any patent issued since Nov. 20, 1866 at
which time the Patent Office commenced printing them_ $1.25

_Official Copies of Drawings of any patent issued since 1836, we can
supply at a reasonable cost, the price depending upon the amount of
labor involved and the number of views._

_Full information, as to price of drawings, in each case, may be had
by addressing_

MUNN & CO., PATENT SOLICITORS, 37 PARK ROW, NEW YORK.

* * * * *

112,309.--HOSE SPRINKLER.--William Anderson, San Francisco, Cal.

112,310.--LOCOMOTIVE SPARK ARRESTER.--J. G. Armstrong, New Brunswick,
N. J.

112,311.--TOOL FOR CARRIAGE MAKERS' USE.--George Atkinson, San
Francisco, Cal.

112,312.--POTATO PROBE.--John A. Beal, Waterford, N. Y.

112,313.--HINGE FOR CARRIAGE DOORS.--Ge