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Official data from INPI

PROCESSO PARA A SEPARAÇÃO DE OURO DE UM MATERIAL EM PARTÍCULAS CONTENDO OURO.

Em ExigênciaInvention Patent

Application data

Number

PI8405683

Type

Invention Patent

Filing

11/07/1984

Publication

09/10/1985

Progress at the INPI

  1. Filing11/07/84
  2. Publication09/10/85
  3. Examination10/06/87
  4. Allowance05/29/90
  5. Grant11/27/90
  6. Terminated07/04/95

The patent was granted on 11/27/1990 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

Bateman Engineering (International) Limited

ZA

Inventors

G. S. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PG 2269 · 11/08/1983

AU

PG 5642 · 06/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/26/1989

RPI 988

6.2

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

01/22/1985

RPI 744

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

09/04/1990

RPI 1031

Deferimento

#9.1

05/29/1990

RPI 1020

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