Notificação de entrada na fase nacional - PCT
#1.3
11/01/1988
RPI 941
Application data
Number
PI8707411Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 11/01/1988. We update with every new RPI gazette, published weekly.
Applicants
The British Petroleum Company Plc
GB
Inventors
C. H. (pessoa física)
GB
D. Y. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#1.3
11/01/1988
RPI 941
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C22B 1/16; C22B 1/244; C22B 11/04; C22B 15/00; B03B 1/04; B03B 9/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 09/07/2002
07/29/2008
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