Concessão da patente
#16.1
05/28/1985
RPI 762
Application data
Number
PI8005670Type
Filing
Publication
The letters patent expired on 11/07/1995: 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
A. J. (pessoa física)
D. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
#13.1
03/05/1985
RPI 750
#9.1
10/16/1984
RPI 730
08/21/1984
RPI 722
#6.1
01/17/1984
RPI 691
#4.1
07/13/1982
RPI 612
#3.1
05/04/1982
RPI 602
#21.1
11/07/1995
RPI 1301
From the same holder
Same category
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