Publicação do pedido de patente
#3.1
07/05/1988
RPI 924
The letters patent expired on 07/01/2008: 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: 07/05/1988. We update with every new RPI gazette, published weekly.
Applicants
M. Dedini S/A Metalúrgica
SP, BR
Inventors
D. C. (pessoa física)
BR
P. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
07/05/1988
RPI 924
#2.1
05/05/1987
RPI 863
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C13D 1/06.
03/27/2018
RPI 2464
#21.1
Patente extinta em 18/12/1996
07/01/2008
RPI 1956
#16.1
08/31/1993
RPI 1187
#13.1
04/20/1993
RPI 1168
#9.1
12/01/1992
RPI 1148
#6.1
05/12/1992
RPI 1119
#4.1
02/19/1991
RPI 1055
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