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Official data from INPI

ÓXIDO CÉRICO E PROCESSO DE OBTENÇÃO DE ÓXIDO CÉRICO

PublicadaInvention Patent

Application data

Number

PI8803179

Type

Invention Patent

Filing

06/28/1988

Publication

01/24/1989

Progress at the INPI

Under appeal
  1. Filing06/28/88
  2. Publication01/24/89
  3. Examination10/16/90
  4. Refused09/19/95
  5. Grant
  6. In force

The application was refused by the INPI on 09/19/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

J. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

8709122 · 06/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/24/1989

RPI 953

Pedido de patente depositado

#2.1

11/22/1988

RPI 944

Indeferimento

#9.2

09/19/1995

RPI 1294

Conhecimento de parecer técnico

#7.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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