Pedido de certificado de adição de invenção
#5.1
11/01/1988
RPI 941
The letters patent expired on 09/18/2001: 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: 11/01/1988. We update with every new RPI gazette, published weekly.
Applicants
R. T. (pessoa física)
SC, BR
Inventors
R. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#5.1
11/01/1988
RPI 941
#5.1
09/27/1988
RPI 936
#4.1
06/28/1988
RPI 923
#3.2
03/01/1988
RPI 906
#2.1
11/17/1987
RPI 891
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A01B 45/04.
03/27/2018
RPI 2464
#21.1
Patente extinta em 10/06/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
06/25/1991
RPI 1073
#13.1
03/26/1991
RPI 1060
#9.1
12/11/1990
RPI 1045
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