Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
Application data
Number
PI8605462Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
M. V. Maringoni & Cia Ltda
SP, BR
Inventors
D. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/13/1988
RPI 934
#3.1
05/31/1988
RPI 919
#2.1
04/14/1987
RPI 860
#21.1
Patente extinta em 31/10/2001
07/22/2008
RPI 1959
#16.1
07/30/1991
RPI 1078
#9.1
02/19/1991
RPI 1055
#6.1
05/01/1990
RPI 1016
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Same category
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