Carta-patente expirada
#21.1
Patente extinta em 27/02/2011
05/28/2013
RPI 2212
Application data
Number
PI9100800Type
Filing
Publication
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
Exxon Research And Engineering Company
US
Inventors
C. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 27/02/2011
05/28/2013
RPI 2212
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12/29/1998
RPI 1460
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09/15/1998
RPI 1447
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11/05/1991
RPI 1092
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