18.8
09/06/1988
RPI 933
The letters patent expired on 11/07/1995: 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: 09/06/1988. We update with every new RPI gazette, published weekly.
Applicants
S. C. (pessoa física)
JP
Inventors
H. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/06/1988
RPI 933
#18.2
07/12/1988
RPI 925
11/11/1986
RPI 838
11/04/1986
RPI 837
08/12/1986
RPI 825
07/29/1986
RPI 823
#16.1
03/27/1984
RPI 701
#13.1
12/27/1983
RPI 688
#9.1
09/06/1983
RPI 672
#6.1
04/12/1983
RPI 651
#21.1
11/07/1995
RPI 1301
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