Deferimento
#9.1
11/28/1989
RPI 997
Application data
Number
PI8701453Type
Filing
Publication
The letters patent expired on 07/29/2008: 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
B. F. (pessoa física)
SP, BR
Inventors
B. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
11/28/1989
RPI 997
#4.1
09/29/1987
RPI 884
#3.2
09/08/1987
RPI 881
#2.1
07/07/1987
RPI 872
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B02C 18/40.
03/20/2018
RPI 2463
#21.1
Patente extinta em 31/03/2002
07/29/2008
RPI 1960
#16.1
06/26/1990
RPI 1024
#13.1
04/03/1990
RPI 1012
From the same holder
Same category
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