Concessão da patente
#16.1
01/31/1984
RPI 693
The letters patent expired on 11/30/1993: 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: 01/31/1984. We update with every new RPI gazette, published weekly.
Applicants
STANDARD OIL CO
Inventors
F. W. (pessoa física)
W. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/31/1984
RPI 693
#13.1
10/04/1983
RPI 676
#9.1
06/14/1983
RPI 660
#6.1
10/26/1982
RPI 627
10/13/1981
RPI 573
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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