Solicitação de exame técnico
#4.1
10/18/1988
RPI 939
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: 10/18/1988. We update with every new RPI gazette, published weekly.
Applicants
I. O. (pessoa física)
SP, BR
Inventors
I. O. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/18/1988
RPI 939
#3.1
08/09/1988
RPI 929
#2.1
05/12/1987
RPI 864
#21.1
Patente extinta em 06/01/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
11/26/1991
RPI 1095
#13.1
09/10/1991
RPI 1084
#9.1
05/28/1991
RPI 1069
#6.1
11/06/1990
RPI 1040
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Same category
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