Concessão da patente
#16.1
09/29/1981
RPI 571
The letters patent expired on 11/17/1992: 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: 09/29/1981. We update with every new RPI gazette, published weekly.
Applicants
C. I. (pessoa física)
US
Inventors
E. B. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1981
RPI 571
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A61K 7/13.
03/20/2018
RPI 2463
#21.1
11/17/1992
RPI 1146
From the same holder
Same category
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