Concessão da patente
#16.1
06/30/1987
RPI 871
Application data
Number
PI8105391Type
Filing
Publication
The patent was granted on 06/30/1987 and is in force until 08/24/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:08/24/2001
Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
C. C. (pessoa física)
M. G. (pessoa física)
R. A. (pessoa física)
S. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
12/09/1986
RPI 842
#9.1
08/26/1986
RPI 827
#6.1
12/24/1985
RPI 792
#7.1
04/30/1985
RPI 758
#4.1
08/23/1983
RPI 670
#3.1
03/29/1983
RPI 649
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.