Carta-patente expirada
#21.1
Patente extinta em 16/05/2010
01/15/2013
RPI 2193
Application data
Number
PI9002185Type
Filing
Publication
The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
P. A. (pessoa física)
BA, BR
Inventors
D. N. (pessoa física)
BR
O. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 16/05/2010
01/15/2013
RPI 2193
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05/16/2000
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09/16/1997
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07/21/1992
RPI 1129
#4.2
04/28/1992
RPI 1117
#3.1
11/12/1991
RPI 1093
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09/25/1990
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