Solicitação de exame técnico
#4.1
07/19/1988
RPI 926
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: 07/19/1988. We update with every new RPI gazette, published weekly.
Applicants
A. F. (pessoa física)
SP, BR
Inventors
A. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/19/1988
RPI 926
#3.2
05/24/1988
RPI 918
#2.1
04/26/1988
RPI 914
#21.1
Patente extinta em 15/12/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
07/28/1992
RPI 1130
#16.1
05/26/1992
RPI 1121
#13.1
12/17/1991
RPI 1098
#9.1
08/20/1991
RPI 1081
From the same holder
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