Persons desiring any patent issued from 1836 to November 26, 1867, can
be supplied with official copies at reasonable cost, the price
depending upon the extent of drawings and length of specifications.
Any patent issued since November 27, 1867, at which time the Patent
Office commenced printing the drawings and specifications, may be had
by remitting to this office $1.
A copy of the claims of any patent issued since 1638 will be furnished
for $1.
When ordering copies, please remit for the same as as above, and state
name of patentee, title of invention, and date of patent.
A pamphlet, containing full directions for obtaining United States
patents, sent free. A handsomely bound Reference Book, gilt edges,
contains 140 pages and many engravings and tables important to every
patentee and mechanic, and is a useful handbook of reference for
everybody. Price 25 cents, mailed free.
Address
MUNN & CO.,
Publishers SCIENTIFIC AMERICAN
37 PARK ROW, N.Y.
BRANCH OFFICE--Corner of F and 7th Streets, Washington, D.C.
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