Concessão da patente
#16.1
01/31/1984
RPI 693
The letters patent expired on 08/19/2008: 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: 01/31/1984. We update with every new RPI gazette, published weekly.
Applicants
UOP INC
US
Inventors
D. M. (pessoa física)
GB
G. B. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/31/1984
RPI 693
#11.2
11/08/1983
RPI 681
#6.1
03/15/1983
RPI 647
#4.1
06/29/1982
RPI 610
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B60N 1/02.
03/27/2018
RPI 2464
#21.1
Patente extinta em 05/11/94
08/19/2008
RPI 1963
From the same holder
Same category
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