Publicação do pedido de patente
#3.1
12/13/1988
RPI 947
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Official data from INPI
PIGMENTOS VERMELHOS DE ÓXIDO DE FERRO, PROCESSO PARA SUA PREPARAÇÃO E EMPREGO
PublicadaInvention Patent
Application data
Number
PI8802335Type
Invention Patent
Filing
05/12/1988
Publication
12/13/1988
Progress at the INPI
- Filing05/12/88
- Publication12/13/88
- Examination02/26/91
- Allowance
- Grant
- In force
Published on 12/13/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.
Latest action published by the INPI: 12/13/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
B. A. (pessoa física)
DE
Inventors
D. H. (pessoa física)
DE
D. G. (pessoa física)
DE
D. B. (pessoa física)
DE
G. S. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
10/11/1988
RPI 938
Retificação
#15.3
06/28/1994
RPI 1230
Solicitação de exame técnico
#4.1
02/26/1991
RPI 1056
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