14.7
08/29/1989
RPI 984
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
H. B. (pessoa física)
Inventors
B. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/29/1989
RPI 984
#16.1
06/02/1987
RPI 867
#13.1
12/02/1986
RPI 841
#9.1
08/12/1986
RPI 825
#6.1
11/19/1985
RPI 787
05/07/1985
RPI 759
#4.1
02/20/1985
RPI 748
#3.1
12/14/1982
RPI 634
#21.1
11/22/1994
RPI 1251
#20.2
05/14/1991
RPI 1067
Same category
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