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Official data from INPI

CONJUNTO DE VÁLVULA E PROCESSO DE REPARAR O MESMO

Em AnáliseInvention Patent

Application data

Number

PI8602634

Type

Invention Patent

Filing

06/05/1986

Publication

02/03/1987

Progress at the INPI

  1. Filing06/05/86
  2. Publication02/03/87
  3. Examination04/11/89
  4. Allowance01/23/90
  5. Grant06/26/90
  6. Terminated06/18/96

The patent was granted on 06/26/1990 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: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Forsac Valves Limited, companhia britânica

GB

Inventors

J. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8514420 · 06/07/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/11/1989

RPI 964

Publicação do pedido de patente

#3.1

02/03/1987

RPI 850

Pedido de patente depositado

#2.1

12/09/1986

RPI 842

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Republicação - classificação IPC

#15.11

04/30/1991

RPI 1065

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

01/23/1990

RPI 1003

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