Solicitação de exame técnico
#4.1
11/01/1988
RPI 941
The letters patent expired on 07/01/2008: 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: 11/01/1988. We update with every new RPI gazette, published weekly.
Applicants
E. V. (pessoa física)
SP, BR
Inventors
E. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/01/1988
RPI 941
#3.1
07/05/1988
RPI 924
#2.1
05/05/1987
RPI 863
#21.1
Patente extinta em 01/12/1996
07/01/2008
RPI 1956
#16.1
11/29/1994
RPI 1252
#15.6
08/09/1994
RPI 1236
#15.3
02/22/1994
RPI 1212
#13.1
09/28/1993
RPI 1191
08/10/1993
RPI 1184
#12.2
08/20/1991
RPI 1081
#15.6
05/21/1991
RPI 1068
#15.11
04/02/1991
RPI 1061
#15.1
02/19/1991
RPI 1055
#9.2
10/23/1990
RPI 1038
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