Concessão da patente
#16.1
05/31/1983
RPI 658
The letters patent expired on 08/03/1993: 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: 05/31/1983. We update with every new RPI gazette, published weekly.
Applicants
EXXON RESEARCH ENGINEERING CO
Inventors
B. A. (pessoa física)
C. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1983
RPI 658
01/25/1983
RPI 640
06/22/1982
RPI 609
#21.1
08/03/1993
RPI 1183
From the same holder
Same category
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