Concessão da patente
#16.1
11/28/1989
RPI 997
The letters patent expired on 10/04/1994: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
N. B. (pessoa física)
SP, BR
Inventors
N. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/28/1989
RPI 997
#16.1
08/29/1989
RPI 984
#13.1
04/25/1989
RPI 966
#9.1
12/13/1988
RPI 947
#6.1
08/16/1988
RPI 930
#4.1
10/06/1987
RPI 885
#3.1
01/07/1986
RPI 794
#2.1
07/31/1984
RPI 719
#21.1
10/04/1994
RPI 1244
#20.1
08/21/1990
RPI 1029
#16.2
01/16/1990
RPI 1002
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