Concessão da patente
#16.1
11/26/1985
RPI 788
The letters patent expired on 07/06/1993: 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: 11/26/1985. We update with every new RPI gazette, published weekly.
Applicants
EXXON RESEARCH ENGINEERING CO
Inventors
E. R. (pessoa física)
G. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/26/1985
RPI 788
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09/03/1985
RPI 776
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05/14/1985
RPI 760
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11/20/1984
RPI 735
#6.1
02/28/1984
RPI 697
#6.1
03/15/1983
RPI 647
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07/06/1993
RPI 1179
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