Solicitação de exame técnico
#4.1
09/01/1987
RPI 880
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: 09/01/1987. We update with every new RPI gazette, published weekly.
Applicants
Indústria Eletrônica Bergson Ltda.
SP, BR
Inventors
J. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/01/1987
RPI 880
#3.2
07/21/1987
RPI 874
#2.1
07/07/1987
RPI 872
#21.1
Patente extinta em 09/02/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
02/26/1991
RPI 1056
#13.1
09/25/1990
RPI 1034
#9.1
06/12/1990
RPI 1022
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Same category
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