Concessão da patente
#16.1
06/24/1986
RPI 818
Application data
Number
PI8207606Type
Filing
Publication
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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
PETROLEO BRASILEIRO SA [BR]
Inventors
A. D. (pessoa física)
B. O. (pessoa física)
G. G. (pessoa física)
M. M. (pessoa física)
Pessoa física
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/24/1986
RPI 818
#13.1
04/15/1986
RPI 808
#9.1
10/22/1985
RPI 783
#4.1
10/30/1984
RPI 732
#3.1
08/07/1984
RPI 720
#2.1
02/22/1983
RPI 644
#21.1
Patente extinta em 30/12/97
07/01/2008
RPI 1956
From the same holder
Same category
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