Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
J. E. (pessoa física)
SP, BR
Inventors
J. E. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/21/1988
RPI 922
#3.2
04/19/1988
RPI 913
#2.1
11/17/1987
RPI 891
#21.1
Patente extinta em 17/06/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
03/31/1992
RPI 1113
#13.1
11/05/1991
RPI 1092
#9.1
07/09/1991
RPI 1075
#15.11
07/02/1991
RPI 1074
#6.1
02/05/1991
RPI 1053
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