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Official data from INPI

CONJUNTO ROMPEDOR PARA DIVIDIR FLUXO DE PARTÍCULAS OU PASTA FLUIDA DESCENDENTE DE CANAL DE SEPARADOR HELICOIDAL, E RESPECTIVO SEPARADOR HELICOIDAL.

Em ExigênciaInvention Patent

Application data

Number

PI8500070

Type

Invention Patent

Filing

01/08/1985

Publication

08/13/1985

Progress at the INPI

  1. Filing01/08/85
  2. Publication08/13/85
  3. Examination06/09/87
  4. Allowance05/22/90
  5. Grant12/26/90
  6. Terminated07/25/95

The patent was granted on 12/26/1990 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mineral Deposits Limited

AU

Inventors

P. G. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PG3112 · 01/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/05/1989

RPI 985

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

04/09/1985

RPI 755

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

08/28/1990

RPI 1030

Deferimento

#9.1

05/22/1990

RPI 1019

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