Concessão da patente
#16.1
06/27/1989
RPI 975
Application data
Number
PI8300719Type
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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
M. P. (pessoa física)
S. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/27/1989
RPI 975
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07/01/2008
RPI 1956
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08/08/1995
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