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Official data from INPI

MÁQUINA E PROCESSO DE SEPARAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8403268

Type

Invention Patent

Filing

07/02/1984

Publication

06/11/1985

Progress at the INPI

  1. Filing07/02/84
  2. Publication06/11/85
  3. Examination06/02/87
  4. Allowance08/23/88
  5. Grant07/25/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gunson's Sortex Limited

GB

Inventors

H. F. (pessoa física)

W. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

83/17777 · 06/30/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Exigência - art. 36 da LPI

#6.1

02/23/1988

RPI 905

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

06/11/1985

RPI 764

Pedido de patente depositado

#2.1

09/04/1984

RPI 724

Carta-patente expirada

#21.1

Patente extinta em 02/07/99

07/08/2008

RPI 1957

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