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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8306409

Type

Invention Patent

Filing

11/22/1983

Publication

04/03/1984

Progress at the INPI

  1. Filing11/22/83
  2. Publication04/03/84
  3. Examination06/12/84
  4. Allowance12/29/87
  5. Grant09/27/88
  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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Propack Indústria e Comércio de Plástico Ltda.

SP, BR

Inventors

N. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Conhecimento de parecer técnico

#7.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação antecipada

#3.2

04/03/1984

RPI 702

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Carta-patente expirada

#21.1

Patente extinta em 22/11/98

07/01/2008

RPI 1956

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