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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8204993

Type

Invention Patent

Filing

08/26/1982

Publication

08/09/1983

Progress at the INPI

  1. Filing08/26/82
  2. Publication08/09/83
  3. Examination10/29/85
  4. Allowance09/27/88
  5. Grant05/30/89
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto Poligrafico

IT

I. S. (pessoa física)

IT

Inventors

N. I. (pessoa física)

IT

Technical data

Priority claims

IT

49 182 A 81 · 08/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/30/1989

RPI 971

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

03/01/1988

RPI 906

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

08/09/1983

RPI 668

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

Patente extinta em 26/08/97

07/01/2008

RPI 1956

Pedido de licença voluntária

#17.1

02/13/1990

RPI 1006

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