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Official data from INPI

RECIPIENTE FLEXÍVEL

ConcedidaInvention Patent

Application data

Number

PI8404345

Type

Invention Patent

Filing

08/30/1984

Publication

07/30/1985

Progress at the INPI

  1. Filing08/30/84
  2. Publication07/30/85
  3. Examination12/03/85
  4. Allowance09/27/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Norsk Hydro a.s., companhia norueguesa

NO

Inventors

A. J. (pessoa física)

NO

E. M. (pessoa física)

NO

O. R. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

833138 · 09/01/1983

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

Conhecimento de parecer técnico

#7.1

02/02/1988

RPI 902

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

07/30/1985

RPI 771

Pedido de patente depositado

#2.1

11/06/1984

RPI 733

Carta-patente expirada

#21.1

Patente extinta em 30/08/99

07/08/2008

RPI 1957

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