Concessão da patente
#16.1
09/27/1988
RPI 936
The letters patent expired on 09/27/1994: 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
TECNOL TECNICA NACIONAL DE OCU [BR]
Inventors
C. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
#13.1
08/09/1988
RPI 929
#9.1
04/26/1988
RPI 914
#15.6
11/17/1987
RPI 891
#15.1
09/08/1987
RPI 881
#6.1
07/28/1987
RPI 875
#4.1
08/05/1986
RPI 824
#3.1
07/16/1985
RPI 769
#2.1
02/21/1984
RPI 696
#21.1
09/27/1994
RPI 1243
From the same holder
Same category
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