Carta-patente expirada
#21.1
Patente extinta em 15/10/2010
05/28/2013
RPI 2212
Application data
Number
PI9007733Type
Filing
Publication
PCT
FR1990000736 The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
Schlumberger Industries
FR
Inventors
J. S. (pessoa física)
FR
V. M. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 15/10/2010
05/28/2013
RPI 2212
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07/21/1992
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