Concessão da patente
#16.1
06/26/1984
RPI 714
The letters patent expired on 05/24/1994: 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: 06/26/1984. We update with every new RPI gazette, published weekly.
Applicants
EXXON RESEARCH ENGINEERING CO
Inventors
L. R. (pessoa física)
P. M. (pessoa física)
T. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/26/1984
RPI 714
#13.1
04/24/1984
RPI 705
#9.1
01/03/1984
RPI 689
#6.1
05/10/1983
RPI 655
#6.1
10/19/1982
RPI 626
02/24/1982
RPI 592
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
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