Notificação para pagamento de retribuição
#13.1
09/19/1989
RPI 987
Application data
Number
PI8405040Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
G. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
09/19/1989
RPI 987
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05/23/1989
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05/13/1986
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#2.1
12/26/1984
RPI 740
#21.1
Patente extinta em 05/10/99
07/08/2008
RPI 1957
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01/09/1990
RPI 1001
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Same category
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