Publicação do pedido de patente
#3.1
02/23/1988
RPI 905
Application data
Number
PI8702487Type
Filing
Publication
The letters patent expired on 12/05/2012: 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: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
Institut Français du Pétrole
FR
Inventors
E. R. (pessoa física)
FR
J. J. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/23/1988
RPI 905
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08/04/1987
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Patente extinta em 24/11/2008
12/05/2012
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#15.11
ALTERADA DE F16L 11/12
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11/24/1998
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RPI 1317
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