18.8
11/14/1989
RPI 995
The letters patent expired on 05/16/1995: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
R. V. (pessoa física)
Inventors
B. G. (pessoa física)
K. G. (pessoa física)
T. I. (pessoa física)
V. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/14/1989
RPI 995
#18.2
09/26/1989
RPI 988
#16.1
03/26/1985
RPI 753
#13.1
10/23/1984
RPI 731
#9.1
06/26/1984
RPI 714
#6.1
01/17/1984
RPI 691
#4.1
11/16/1982
RPI 630
#21.1
05/16/1995
RPI 1276
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Same category
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