Solicitação de exame técnico
#4.1
04/11/1989
RPI 964
Application data
Number
PI8606370Type
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: 04/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Empresa de Portos do Brasil S/A - PORTOBRÁS
DF, BR
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
F. F. (pessoa física)
BR
V. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/11/1989
RPI 964
#3.1
07/12/1988
RPI 925
#2.1
04/28/1987
RPI 862
#21.1
Patente extinta em 22/12/2001
07/22/2008
RPI 1959
#20.1
03/19/1996
RPI 1320
#16.1
04/30/1991
RPI 1065
#13.1
02/19/1991
RPI 1055
#9.1
11/06/1990
RPI 1040
Same category
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