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Official data from INPI

APARELHO PARA CLASSIFICAR FRAGMENTOS DE MINÉRIO PARA DETECTAR A PRESENÇA DE UMA SUBSTÂNCIA SELECIONADA NOS FRAGMENTOS

ConcedidaInvention Patent

Application data

Number

PI8406808

Type

Invention Patent

Filing

05/15/1984

Publication

03/19/1985

Progress at the INPI

  1. Filing05/15/84
  2. Publication03/19/85
  3. Examination06/16/87
  4. Allowance08/02/88
  5. Grant09/26/89
  6. Terminated10/16/90

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

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

Applicants and inventors

Applicants

General Mining Union Corporation Limited, companhia da República da frica do Sul

ZA

Inventors

C. C. (pessoa física)

GB

R. S. (pessoa física)

GB

Technical data

Priority claims

GB

8314029 · 05/20/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

14.1

12/30/1986

RPI 845

Notificação de entrada na fase nacional - PCT

#1.3

03/19/1985

RPI 752

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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