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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8307648

Type

Invention Patent

Filing

12/14/1983

Publication

11/27/1984

Progress at the INPI

  1. Filing12/14/83
  2. Publication11/27/84
  3. Examination05/05/87
  4. Allowance06/21/88
  5. Grant02/28/89
  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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

SE

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Inventors

D. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Exigência - art. 36 da LPI

#6.1

12/15/1987

RPI 895

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Notificação de entrada na fase nacional - PCT

#1.3

11/27/1984

RPI 736

Carta-patente expirada

#21.1

Patente extinta em 14/12/98

07/01/2008

RPI 1956

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