Solicitação de exame técnico
#4.1
10/13/1987
RPI 886
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: 10/13/1987. We update with every new RPI gazette, published weekly.
Applicants
S. K. (pessoa física)
JP
Inventors
S. K. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/13/1987
RPI 886
#3.2
07/07/1987
RPI 872
#2.1
05/12/1987
RPI 864
#21.1
Patente extinta em 26/01/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
09/24/1991
RPI 1086
04/23/1991
RPI 1064
#12.2
10/09/1990
RPI 1036
#9.2
05/15/1990
RPI 1018
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Same category
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