Carta-patente expirada
#21.1
Patente extinta em 28/12/2009
12/26/2012
RPI 2190
Application data
Number
PI8902127Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
A. P. (pessoa física)
BR
R. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 28/12/2009
12/26/2012
RPI 2190
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12/28/1999
RPI 1512
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06/29/1999
RPI 1486
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02/19/1991
RPI 1055
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11/13/1990
RPI 1041
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