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Official data from INPI

PROCESSO DE OBTENÇÃO DE UM ÓXIDO DE TERRA RARA E ÓXIDO DE TERRA RARA

PublicadaInvention Patent

Application data

Number

PI8802950

Type

Invention Patent

Filing

06/16/1988

Publication

01/03/1989

Progress at the INPI

  1. Filing06/16/88
  2. Publication01/03/89
  3. Abandoned04/02/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

C. D. (pessoa física)

FR

F. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87 08440 · 06/17/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/03/1989

RPI 950

Pedido de patente depositado

#2.1

11/08/1988

RPI 942

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

11/15/1994

RPI 1250

Solicitação de exame técnico

#4.1

04/02/1991

RPI 1061

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