Publicação do pedido de patente
#3.1
04/12/1988
RPI 912
The letters patent expired on 09/17/1996: 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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants
M. Dedini S/A Metalúrgica
SP, BR
Inventors
A. D. (pessoa física)
BR
P. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
04/12/1988
RPI 912
#2.1
03/31/1987
RPI 858
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B01D 33/02.
03/27/2018
RPI 2464
#21.1
09/17/1996
RPI 1346
#16.1
09/29/1992
RPI 1139
#13.1
04/21/1992
RPI 1116
#15.11
12/17/1991
RPI 1098
#9.1
12/03/1991
RPI 1096
#4.1
08/21/1990
RPI 1029
From the same holder
Same category
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