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Official data from INPI

PROCESSO PARA LIXIVIACAO DE OURO A PARTIR DE MINERIOS CARBONACEOS

Em ExigênciaInvention Patent
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Application data

Number

PI8501447

Type

Invention Patent

Filing

03/31/1984

Publication

11/26/1985
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Progress at the INPI

  1. Filing03/31/84
  2. Publication11/26/85
  3. Abandoned09/29/87
  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.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRITISH PETROLEUM CO PLC [GB]

Inventors

C. A. (pessoa física)

H. D. (pessoa física)

Technical data

IPC Classification

C22B 11/04C22B 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/26/1989

RPI 988

Solicitação de exame técnico

#4.1

09/29/1987

RPI 884

Publicação do pedido de patente

#3.1

11/26/1985

RPI 788

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Arquivamento - Art. 36 §1° da LPI

#11.2

04/10/1990

RPI 1013

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