Concessão da patente
#16.1
11/24/1987
RPI 892
The letters patent expired on 04/25/1995: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Companhia União dos Refinadores - Açúcar e Café
SP, BR
Inventors
M. S. (pessoa física)
V. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
#13.1
07/14/1987
RPI 873
#9.1
03/17/1987
RPI 856
#6.1
01/07/1986
RPI 794
#4.1
08/30/1983
RPI 671
#4.2
06/14/1983
RPI 660
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C13H 3/00; C13F 1/02.
03/27/2018
RPI 2464
#21.1
04/25/1995
RPI 1273
From the same holder
Same category
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