20.7
02/08/1989
RPI 955
The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 02/08/1989. We update with every new RPI gazette, published weekly.
Applicants
M. B. (pessoa física)
RJ, BR
Inventors
C. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/08/1989
RPI 955
#16.1
11/26/1985
RPI 788
#13.1
08/06/1985
RPI 772
#9.1
04/16/1985
RPI 756
#6.1
09/11/1984
RPI 725
05/08/1984
RPI 707
05/02/1984
RPI 706
#15.11
03/13/1984
RPI 699
#6.1
12/13/1983
RPI 686
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B01D 25/06.
03/27/2018
RPI 2464
#18.2
09/25/1990
RPI 1034
Same category
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