Solicitação de exame técnico
#4.1
02/17/1988
RPI 904
Application data
Number
PI8703635Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 02/17/1988. We update with every new RPI gazette, published weekly.
Applicants
Zetax Tecnologia Engenharia Indústria e Comércio Ltda
SP, BR
Inventors
P. J. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/17/1988
RPI 904
#3.2
12/08/1987
RPI 894
#2.1
10/06/1987
RPI 885
#21.1
Patente extinta em 29/06/2002
07/29/2008
RPI 1960
#16.1
08/30/1994
RPI 1239
#13.1
03/15/1994
RPI 1215
#9.1
10/26/1993
RPI 1195
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