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Official data from INPI

PROCESSO E DISPOSITIVO DE DIAGRAFIA E SONDA UTILIZADA, EQUIPADA COM SAPATAS DE MEDIDA

ConcedidaInvention Patent

Application data

Number

PI8205248

Type

Invention Patent

Filing

09/08/1982

Publication

08/16/1983

Progress at the INPI

  1. Filing09/08/82
  2. Publication08/16/83
  3. Examination10/22/85
  4. Allowance01/06/87
  5. Grant08/25/87
  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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prad Reseach And Development N.V

NL

Inventors

J. T. (pessoa física)

FR

P. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81.17065 · 09/09/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Solicitação de exame técnico

#4.1

10/22/1985

RPI 783

Publicação do pedido de patente

#3.1

08/16/1983

RPI 669

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Carta-patente expirada

#21.1

Patente extinta em 08/09/97

07/01/2008

RPI 1956

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