Concessão da patente
#16.1
05/28/1985
RPI 762
Application data
Number
PI8101301Type
Filing
Publication
The letters patent expired on 09/24/1996: 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
S. S. (pessoa física)
V. U. (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
10/30/1984
RPI 732
#4.1
02/16/1983
RPI 643
#3.1
10/26/1982
RPI 627
#21.1
09/24/1996
RPI 1347
From the same holder
Same category
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