Carta-patente expirada
#21.1
08/16/1988
RPI 930
The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants
S. S. (pessoa física)
Inventors
No inventors listed.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
#13.1
06/01/1982
RPI 606
#9.1
01/26/1982
RPI 588
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A47B 57/24.
03/27/2018
RPI 2464
From the same holder
Same category
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