Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
A. G. (pessoa física)
SP, BR
Inventors
A. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/21/1988
RPI 922
#3.1
04/05/1988
RPI 911
#2.1
03/24/1987
RPI 857
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B60K 20/02; F16H 17/00.
03/27/2018
RPI 2464
#21.1
09/17/1996
RPI 1346
#16.1
05/26/1992
RPI 1121
#13.1
01/21/1992
RPI 1103
#9.1
09/10/1991
RPI 1084
#6.1
04/09/1991
RPI 1062
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