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Official data from INPI

PROCESSO E APARELHO PARA INTRODUZIR UM MATERIAL DE TRATAMENTO EM UM BANHO EM FUSÃO

ConcedidaInvention Patent

Application data

Number

PI8203138

Type

Invention Patent

Filing

05/28/1982

Publication

05/17/1983

Progress at the INPI

  1. Filing05/28/82
  2. Publication05/17/83
  3. Examination06/26/84
  4. Allowance05/05/87
  5. Grant10/27/87
  6. Terminated11/29/94

The patent was granted on 10/27/1987 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vallourec

FR

See this company's full portfolio

Inventors

G. B. (pessoa física)

FR

J. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 15387 · 08/07/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Exigência - art. 36 da LPI

#6.1

04/23/1985

RPI 757

6.2

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

05/17/1983

RPI 656

Pedido de patente depositado

#2.1

07/13/1982

RPI 612

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

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