Concessão da patente
#16.1
03/27/1984
RPI 701
The letters patent expired on 12/07/1993: 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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
A. N. (pessoa física)
SP, BR
Inventors
N. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#13.1
01/17/1984
RPI 691
#9.1
09/27/1983
RPI 675
08/09/1983
RPI 668
#3.1
06/29/1982
RPI 610
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era E04H 3/18.
03/27/2018
RPI 2464
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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