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Official data from INPI

PROCESSO PARA USINAR UM ELEMENTO DE JUNTA PARA TUBOS DE AÇO E DISPOSITIVO PARA REALIZAÇÃO DESSE PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8502938

Type

Invention Patent

Filing

06/19/1985

Publication

03/04/1986

Progress at the INPI

  1. Filing06/19/85
  2. Publication03/04/86
  3. Examination10/29/86
  4. Allowance04/04/89
  5. Grant09/26/89
  6. Terminated09/19/95

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.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vallourec

FR

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Inventors

B. P. (pessoa física)

FR

L. F. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84 09566 · 06/19/1984

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

08/01/1989

RPI 980

Deferimento

#9.1

04/04/1989

RPI 963

Solicitação de exame técnico

#4.1

10/29/1986

RPI 836

Publicação do pedido de patente

#3.1

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

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