Concessão da patente
#16.1
11/27/1984
RPI 736
Application data
Number
PI8002400Type
Filing
Publication
The letters patent expired on 06/06/1995: 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: 11/27/1984. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
A. O. (pessoa física)
D. A. (pessoa física)
D. E. (pessoa física)
D. L. (pessoa física)
T. J. (pessoa física)
Pessoa física
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/27/1984
RPI 736
#13.1
09/04/1984
RPI 724
#9.1
05/08/1984
RPI 707
#6.1
12/20/1983
RPI 687
#4.1
02/24/1982
RPI 592
#3.1
12/01/1981
RPI 580
#21.1
06/06/1995
RPI 1279
From the same holder
Same category
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