Concessão da patente
#16.1
12/27/1983
RPI 688
The letters patent expired on 11/30/1993: 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: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants
FRESINBRA IND SA
Inventors
U. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1983
RPI 688
#13.1
09/27/1983
RPI 675
#13.1
05/31/1983
RPI 658
#9.1
05/31/1983
RPI 658
#6.1
11/16/1982
RPI 630
#6.1
06/22/1982
RPI 609
#4.1
01/19/1982
RPI 587
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: E05F 3/00; E05F 15/06.
03/27/2018
RPI 2464
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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