Solicitação de exame técnico
#4.1
11/17/1987
RPI 891
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: 11/17/1987. We update with every new RPI gazette, published weekly.
Applicants
S. B. (pessoa física)
SP, BR
Inventors
S. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/17/1987
RPI 891
#3.2
08/04/1987
RPI 876
#2.1
04/28/1987
RPI 862
#21.1
Patente extinta em 17/10/1996
07/01/2008
RPI 1956
#16.1
09/25/1990
RPI 1034
#13.1
05/08/1990
RPI 1017
#9.1
01/16/1990
RPI 1002
Same category
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