Concessão da patente
#16.1
11/29/1988
RPI 945
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: 11/29/1988. We update with every new RPI gazette, published weekly.
Applicants
OSVALDO LUIZ MARMO [BR]
Inventors
M. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1988
RPI 945
#13.1
06/07/1988
RPI 920
#9.1
02/09/1988
RPI 903
#6.1
08/18/1987
RPI 878
#4.1
08/05/1986
RPI 824
#3.1
04/01/1986
RPI 806
#2.1
10/23/1984
RPI 731
#21.1
11/22/1994
RPI 1251
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Same category
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