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Official data from INPI

CONJUNTO DE VÁLVULA ESFÉRICA PARA CONTROLAR O FLUXO EM UM OLEODUTO E PROCESSO DE MANUTENÇÃO PARA O MESMO.

ConcedidaInvention Patent

Application data

Number

PI8403632

Type

Invention Patent

Filing

07/20/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/20/84
  2. Publication07/02/85
  3. Examination08/18/87
  4. Allowance10/04/88
  5. Grant09/26/89
  6. Terminated05/07/96

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

Forsac Valves Limited

Forsac Valves Limited.

GB

Inventors

J. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8319853 · 07/22/1983

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

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Republicação - classificação IPC

#15.11

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

05/07/1996

RPI 1327

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