Concessão da patente
#16.1
08/29/1989
RPI 984
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia de Saneamento Básico do Estado de São Paulo - SABESP
SP, BR
Inventors
T. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
02/21/1989
RPI 957
#9.1
11/01/1988
RPI 941
#4.1
02/09/1988
RPI 903
#3.1
08/04/1987
RPI 876
#2.1
04/01/1986
RPI 806
#21.1
03/12/1996
RPI 1319
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.