Concessão da patente
#16.1
10/25/1988
RPI 940
The letters patent expired on 01/31/1995: 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
JOAO RODRIGUES [BR]
Inventors
R. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1988
RPI 940
#13.1
07/19/1988
RPI 926
#9.1
03/15/1988
RPI 908
#6.1
08/04/1987
RPI 876
#7.1
01/06/1987
RPI 846
#4.1
07/02/1985
RPI 767
#3.2
03/26/1985
RPI 753
#2.1
02/12/1985
RPI 747
#21.1
01/31/1995
RPI 1261
Same category
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