Pedido de certificado de adição de invenção
#5.1
06/13/1989
RPI 973
The letters patent expired on 09/15/2015: 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: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants
R. F. (pessoa física)
SP, BR
Inventors
R. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#5.1
06/13/1989
RPI 973
#5.1
03/21/1989
RPI 961
#4.1
01/17/1989
RPI 952
#3.2
11/01/1988
RPI 941
#2.1
12/08/1987
RPI 894
#21.1
Patente extinta em 30/06/1997
09/15/2015
RPI 2332
#16.1
06/29/1993
RPI 1178
#13.1
03/02/1993
RPI 1161
#9.1
09/29/1992
RPI 1139
#6.1
01/21/1992
RPI 1103
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Same category
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