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
The Regents of the University of California
US
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1981
RPI 571
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07D 307/79; C07D 405/12; C07D 413/12; A01N 9/12.
03/27/2018
RPI 2464
#21.1
11/17/1992
RPI 1146
From the same holder
Same category
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