Carta-patente expirada
#21.1
Patente extinta em 24/09/2011
06/11/2013
RPI 2214
Application data
Number
PI9104080Type
Filing
Publication
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants
Schlumberger Industries, S.A.
ES
Inventors
M. V. (pessoa física)
ES
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 24/09/2011
06/11/2013
RPI 2214
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07/28/1998
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10/14/1997
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05/04/1993
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04/27/1993
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06/02/1992
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10/29/1991
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