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Official data from INPI

VÁLVULA GIRATÓRIA

ConcedidaInvention Patent

Application data

Number

PI8403295

Type

Invention Patent

Filing

07/03/1984

Publication

06/18/1985

Progress at the INPI

  1. Filing07/03/84
  2. Publication06/18/85
  3. Examination06/23/87
  4. Allowance09/27/88
  5. Grant09/26/89
  6. Terminated09/12/95

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

Alsthom-Atlantique

FR

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Inventors

G. D. (pessoa física)

FR

G. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83 11 086 · 07/04/1983

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

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

06/23/1987

RPI 870

Publicação do pedido de patente

#3.1

06/18/1985

RPI 765

Pedido de patente depositado

#2.1

09/04/1984

RPI 724

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

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