Concessão da patente
#16.1
11/28/1989
RPI 997
Application data
Number
PI8106705Type
Filing
Publication
The patent was granted on 11/28/1989 and is in force until 10/19/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:10/19/2001
Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
M. C. (pessoa física)
BR
R. K. (pessoa física)
BR
W. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/28/1989
RPI 997
#13.1
09/05/1989
RPI 985
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05/09/1989
RPI 968
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08/02/1988
RPI 928
#7.1
03/01/1988
RPI 906
#4.1
09/13/1983
RPI 673
#3.1
05/24/1983
RPI 657
#2.1
12/07/1982
RPI 633
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