Concessão da patente
#16.1
02/28/1989
RPI 958
The letters patent expired on 10/04/1994: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia de Saneamento Básico do Estado de São Paulo - SABESP
SP, BR
Inventors
M. Z. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
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08/09/1988
RPI 929
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04/26/1988
RPI 914
#6.1
10/13/1987
RPI 886
#4.1
11/11/1986
RPI 838
#3.1
02/25/1986
RPI 801
#2.1
09/18/1984
RPI 726
#21.1
10/04/1994
RPI 1244
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