Publicação do pedido de patente
#3.1
02/09/1988
RPI 903
Application data
Number
PI8702029Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 02/09/1988. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
H. J. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/09/1988
RPI 903
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07/28/1987
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09C 1/36; C09C 1/28; C09D 3/48.
03/27/2018
RPI 2464
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Patente extinta em 27/04/2002
07/29/2008
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05/30/1995
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