Publicação do pedido de patente
#3.1
04/05/1988
RPI 911
Application data
Number
PI8703916Type
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: 04/05/1988. We update with every new RPI gazette, published weekly.
Applicants
Coflexip
FR
Inventors
B. F. (pessoa física)
FR
L. L. (pessoa física)
FR
X. R. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
04/05/1988
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: E02D 15/06; F16L 1/04.
03/27/2018
RPI 2464
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Patente extinta em 29/07/2002
07/29/2008
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