Concessão da patente
#16.1
02/04/1986
RPI 798
Application data
Number
PI8101300Type
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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
T. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/04/1986
RPI 798
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11/12/1985
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07/09/1985
RPI 768
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01/15/1985
RPI 743
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02/16/1983
RPI 643
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10/26/1982
RPI 627
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09/24/1996
RPI 1347
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