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Official data from INPI

Estanque conjugado.

ConcedidaInvention Patent

Application data

Number

PI8303931

Type

Invention Patent

Filing

07/19/1983

Publication

11/27/1984

Progress at the INPI

  1. Filing07/19/83
  2. Publication11/27/84
  3. Examination03/19/85
  4. Allowance08/18/87
  5. Grant06/28/88
  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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sabó Indústria e Comércio Ltda

SP, BR

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

12/15/1987

RPI 895

Deferimento

#9.1

08/18/1987

RPI 878

Exigência - art. 36 da LPI

#6.1

04/01/1986

RPI 806

Solicitação de exame técnico

#4.1

03/19/1985

RPI 752

Publicação antecipada

#3.2

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

09/18/1984

RPI 726

Carta-patente expirada

#21.1

Patente extinta em 19/07/98

07/01/2008

RPI 1956

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