Concessão da patente
#16.1
01/10/1989
RPI 951
Application data
Number
PI8301125Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
FR
Inventors
A. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/10/1989
RPI 951
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 25/10; C04B 31/30; C08K 5/09.
03/27/2018
RPI 2464
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Patente extinta em 08/03/98
07/01/2008
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