16.3
07/29/1986
RPI 823
The letters patent expired on 07/27/1993: 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: 07/29/1986. We update with every new RPI gazette, published weekly.
Applicants
MOBIL OIL CORP
Inventors
D. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/29/1986
RPI 823
#16.1
04/29/1986
RPI 810
#13.1
12/03/1985
RPI 789
08/20/1985
RPI 774
09/13/1983
RPI 673
#12.2
03/29/1983
RPI 649
#9.2
11/30/1982
RPI 632
#7.1
02/24/1982
RPI 592
#21.1
07/27/1993
RPI 1182
From the same holder
Same category
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