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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207952

Type

Invention Patent

Filing

11/02/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/02/82
  2. Publication10/04/83
  3. Examination07/16/85
  4. Allowance03/31/87
  5. Grant09/29/87
  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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

SE

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Inventors

C. [. (pessoa física)

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

Deferimento

#9.1

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

Solicitação de exame técnico

#4.1

07/16/1985

RPI 769

Solicitação de exame não realizada

#4.2

03/19/1985

RPI 752

Notificação de entrada na fase nacional - PCT

#1.3

10/04/1983

RPI 676

Carta-patente expirada

#21.1

Patente extinta em 02/11/97

07/01/2008

RPI 1956

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