Pedido de licença compulsória
#20.1
03/15/1988
RPI 908
The letters patent expired on 11/24/1992: 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: 03/15/1988. We update with every new RPI gazette, published weekly.
Applicants
Tenneco Canada Inc.
CA
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
03/15/1988
RPI 908
10/06/1987
RPI 885
#16.1
04/27/1982
RPI 601
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 11/02; C01B 7/02.
03/20/2018
RPI 2463
#21.1
11/24/1992
RPI 1147
From the same holder
Same category
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