Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8400343Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
FR
Inventors
F. L. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08F 291/00; C09D 3/727; D21H 3/36.
03/27/2018
RPI 2464
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Patente extinta em 27/01/99
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