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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8307633

Type

Invention Patent

Filing

06/14/1983

Publication

11/27/1984

Progress at the INPI

  1. Filing06/14/83
  2. Publication11/27/84
  3. Examination03/04/86
  4. Allowance04/12/88
  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

T. E. (pessoa física)

SE

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Inventors

J. [. (pessoa física)

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

03/04/1986

RPI 802

Notificação de entrada na fase nacional - PCT

#1.3

11/27/1984

RPI 736

Carta-patente expirada

#21.1

Patente extinta em 14/06/98

07/01/2008

RPI 1956

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