Concessão da patente
#16.1
04/30/1985
RPI 758
The letters patent expired on 03/26/1996: 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: 04/30/1985. We update with every new RPI gazette, published weekly.
Applicants
T. C. (pessoa física)
US
Inventors
E. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/30/1985
RPI 758
#13.1
12/26/1984
RPI 740
#9.1
09/04/1984
RPI 724
#6.1
02/28/1984
RPI 697
#4.1
08/30/1983
RPI 671
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: F01C 1/02; F01C 21/04; F01C 21/12; F04C 18/02.
03/27/2018
RPI 2464
#21.1
03/26/1996
RPI 1321
From the same holder
Same category
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