Concessão da patente
#16.1
09/27/1988
RPI 936
The letters patent expired on 11/22/1994: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
RUBENS COELHO DE SOUZA [BR]
Inventors
S. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
#13.1
06/21/1988
RPI 922
#9.1
03/01/1988
RPI 906
#15.6
12/08/1987
RPI 894
#15.3
08/25/1987
RPI 879
#6.1
09/23/1986
RPI 831
#4.1
01/02/1985
RPI 741
#3.2
10/16/1984
RPI 730
#2.1
10/09/1984
RPI 729
#21.1
11/22/1994
RPI 1251
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.