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Official data from INPI

PROCESSO PARA SEPARAR OURO OU OUTROS METAIS PRECIOSOS DE MINÉRIOS DE ARSENOPIRITA OU PIRITA E MATERIAIS ASSOCIADOS

PublicadaInvention Patent
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Application data

Number

PI8805792

Type

Invention Patent

Filing

11/07/1988

Publication

08/01/1989
View on INPI

Progress at the INPI

  1. Filing11/07/88
  2. Publication08/01/89
  3. Examination09/10/91
  4. Allowance12/05/95
  5. Abandoned
  6. In force

The application was allowed on 12/05/1995 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Davy Mckee (Stocton) Limited

GB

The British Petroleum Company Plc

GB

Inventors

J. L. (pessoa física)

Technical data

IPC Classification

C22B 3/00

Priority claims

GB

8726158 · 11/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/01/1989

RPI 980

Pedido de patente depositado

#2.1

03/07/1989

RPI 959

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C22B 11/04.

03/27/2018

RPI 2464

Arquivamento - Art. 38 §2° da LPI

#11.4

01/27/1998

RPI 1414

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

Deferimento

#9.1

12/05/1995

RPI 1305

14.11

04/06/1993

RPI 1166

14.1

02/16/1993

RPI 1159

14.1

02/09/1993

RPI 1158

Solicitação de exame técnico

#4.1

09/10/1991

RPI 1084

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