Pedido de patente depositado
#2.1
11/28/1989
RPI 997
Application data
Number
PI8904048Type
Filing
Publication
The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Universidade de São Paulo - USP
SP, BR
Inventors
D. D. (pessoa física)
FR
M. A. (pessoa física)
BR
M. A. (pessoa física)
FR
P. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/28/1989
RPI 997
#21.1
Patente extinta em 07/08/2009
12/26/2012
RPI 2190
#16.1
11/24/1998
RPI 1455
#9.1
06/02/1998
RPI 1432
#6.1
10/28/1997
RPI 1404
#6.1
01/07/1997
RPI 1362
#15.11
09/24/1996
RPI 1347
#4.1
07/02/1991
RPI 1074
#3.1
02/13/1991
RPI 1054
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