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Official data from INPI

TECIDO DE FORMAÇÃO PARA MÁQUINAS DE PRODUÇÃO DE PAPEL OU CELULOSE

ConcedidaInvention Patent

Application data

Number

PI8302078

Type

Invention Patent

Filing

04/22/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing04/22/83
  2. Publication12/27/83
  3. Examination04/01/86
  4. Allowance12/06/88
  5. Grant08/29/89
  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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nordiskafilt AB

SE

See this company's full portfolio

Inventors

A. J. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8202578-4 · 04/26/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

Exigência - art. 36 da LPI

#6.1

07/19/1988

RPI 926

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

Carta-patente expirada

#21.1

Patente extinta em 22/04/98

07/01/2008

RPI 1956

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