Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8305402Type
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
A. L. (pessoa física)
BR
D. B. (pessoa física)
BR
F. M. (pessoa física)
BR
H. B. (pessoa física)
BR
H. R. (pessoa física)
BR
U. L. (pessoa física)
BR
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07/02/1985
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05/07/1985
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10/02/1984
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Patente extinta em 30/09/98
07/01/2008
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