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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8207187

Type

Invention Patent

Filing

12/10/1982

Publication

10/11/1983
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Progress at the INPI

  1. Filing12/10/82
  2. Publication10/11/83
  3. Examination08/27/85
  4. Allowance03/01/88
  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.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

John Wyeth & Brother Limited

GB

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Inventors

B. R. (pessoa física)

F. H. (pessoa física)

Technical data

IPC Classification

A61K 9/22A61K 9/48

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

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Conhecimento de parecer técnico

#7.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

Patente extinta em 10/12/97

07/01/2008

RPI 1956

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