Concessão da patente
#16.1
10/24/1989
RPI 992
The letters patent expired on 12/07/1993: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
SP, BR
Inventors
R. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/24/1989
RPI 992
#13.1
08/08/1989
RPI 981
#9.1
04/11/1989
RPI 964
01/10/1989
RPI 951
#15.6
02/09/1988
RPI 903
#15.3
10/27/1987
RPI 888
#6.1
10/07/1986
RPI 833
#5.1
02/25/1986
RPI 801
#4.1
10/29/1985
RPI 784
#3.1
02/20/1985
RPI 748
#2.1
08/23/1983
RPI 670
#21.1
12/07/1993
RPI 1201
08/21/1990
RPI 1029
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