Carta-patente expirada
#21.1
Patente extinta em 05/09/2010
01/29/2013
RPI 2195
Application data
Number
PI9004416Type
Filing
Publication
The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Engineering Company
US
Inventors
D. B. (pessoa física)
US
P. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 05/09/2010
01/29/2013
RPI 2195
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12/28/1999
RPI 1512
#9.1
07/06/1999
RPI 1487
#6.1
09/16/1997
RPI 1398
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09/14/1993
RPI 1189
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09/10/1991
RPI 1084
#2.1
03/12/1991
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