Publicação do pedido de patente
#3.1
10/31/1989
RPI 993
Application data
Number
PI8801514Type
Filing
Publication
The application was allowed on 06/04/1996 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.
Talk to a specialistLatest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Institut Francais du petrole
FR
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/31/1989
RPI 993
#15.11
A classificação anterior era: E21B 47/00.
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