Solicitação de exame técnico
#4.1
08/09/1988
RPI 929
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: 08/09/1988. We update with every new RPI gazette, published weekly.
Applicants
Elevadores Atlas S.A
SP, BR
Indústrias Villares S/A.
SP, BR
Inventors
E. J. (pessoa física)
BR
Y. Y. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/09/1988
RPI 929
#3.1
05/10/1988
RPI 916
#2.1
03/31/1987
RPI 858
#21.1
Patente extinta em 12/09/1996
07/01/2008
RPI 1956
#25.1
09/02/1997
RPI 1396
#16.1
06/25/1991
RPI 1073
#13.1
12/26/1990
RPI 1047
#9.1
09/11/1990
RPI 1032
#6.1
02/01/1990
RPI 1004
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Same category
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