UPON MANUFACTURES.
289
Patents,” 1829, shows the expense and duration ofpatents in various countries :—
COUNTRIES.
EXPENSE.
TERM
OF
YEARS.
Numbergranted in SixYears, ending
in 1826 .—
UUp. p.213.)
£
s .
d.
120
0
o
14
914
125
0
0
14
100
0
0
14
6
15
0
14
V 2
0
0
5 A
' 32
0
0
10 C
1091
( 60
0
0
15 J
£6 to £30
5,10, 15
Austria.
42
10
0
15
1099
20
9
4
15
„ Improver.
12
5
7
10
„ Importer.
10
4
8
6
(318.) It is clearly of importance to preserve toeach inventor the sole use of his invention, until heshall have been amply repaid for the risk and fexpenseto which he has been exposed, as well as for the talentlie has exerted. But, the varieties in the degree ofmerit are so numerous, and the difficulties of legislatingupon the subject are so great, that it has been foundalmost impossible to frame a law which shall not,practically, be open to the most serious objections.
* The expense of a patent in Spain is stated in the Reportto be respectively 2000, 1200, and 1000 reals. If these arereals of Vellon, in which accounts are usually kept at Madrid ,the above sums are correct; but if they are reals of Plate, theabove sums ought to be nearly doubled.
U