Concessão da patente
#16.1
10/29/1985
RPI 784
The letters patent expired on 04/04/1995: 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: 10/29/1985. We update with every new RPI gazette, published weekly.
Applicants
ASHLAND OIL INC
Inventors
S. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1985
RPI 784
#13.1
06/25/1985
RPI 766
#9.1
03/05/1985
RPI 750
#6.1
02/28/1984
RPI 697
#21.1
04/04/1995
RPI 1270
From the same holder
Same category
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