Carta-patente expirada
#21.1
07/15/1986
RPI 821
The letters patent expired on 07/15/1986: 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: 07/15/1986. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
Inventors
B. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
07/15/1986
RPI 821
#16.1
08/31/1982
RPI 619
#13.1
01/26/1982
RPI 588
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B05B 1/24; A47K 3/22.
03/20/2018
RPI 2463
From the same holder
Same category
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