Publicação do pedido de patente
#3.1
07/14/1987
RPI 873
The letters patent expired on 03/12/1996: 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: 07/14/1987. We update with every new RPI gazette, published weekly.
Applicants
CETESB -Companhia de Tecnologia de Saneamento Ambiental
SP, BR
Inventors
H. T. (pessoa física)
BR
J. V. (pessoa física)
BR
J. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
07/14/1987
RPI 873
#2.1
04/01/1986
RPI 806
#21.1
03/12/1996
RPI 1319
#16.1
02/24/1993
RPI 1160
#13.1
09/08/1992
RPI 1136
11/05/1991
RPI 1092
07/02/1991
RPI 1074
#15.11
03/19/1991
RPI 1059
#9.1
03/12/1991
RPI 1058
#6.1
10/30/1990
RPI 1039
#4.1
02/06/1990
RPI 1005
From the same holder
Same category
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