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Official data from INPI

BUJÃO PARA ABERTURA DE ACESSO DE UMA SONDA RADIOGRÁFICA DE CONTROLE NUMA TUBULAÇÃO OU NUM APARELHO

ConcedidaInvention Patent

Application data

Number

PI8203366

Type

Invention Patent

Filing

06/08/1982

Publication

05/31/1983

Progress at the INPI

  1. Filing06/08/82
  2. Publication05/31/83
  3. Examination03/12/85
  4. Allowance04/22/86
  5. Grant11/25/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stein Industrie

FR

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Inventors

J. B. (pessoa física)

FR

P. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 11 367 · 06/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação do pedido de patente

#3.1

05/31/1983

RPI 658

Pedido de patente depositado

#2.1

07/27/1982

RPI 614

Carta-patente expirada

#21.1

Patente extinta em 08/06/97

07/01/2008

RPI 1956

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