Solicitação de exame técnico
#4.1
01/10/1989
RPI 951
The letters patent expired on 09/25/2001: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Semco S/A
SP, BR
Inventors
R. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/10/1989
RPI 951
#3.2
11/01/1988
RPI 941
#2.1
09/13/1988
RPI 934
#21.1
Patente extinta em 27/01/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
08/30/1994
RPI 1239
#13.1
06/14/1994
RPI 1228
#9.1
03/01/1994
RPI 1213
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Same category
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