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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8401266

Type

Invention Patent

Filing

03/20/1984

Publication

10/30/1984
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Progress at the INPI

  1. Filing03/20/84
  2. Publication10/30/84
  3. Examination03/19/85
  4. Allowance09/13/88
  5. Grant07/25/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. K. (pessoa física)

JP

Inventors

T. K. (pessoa física)

Technical data

IPC Classification

C07D 225/08C08F 12/28C08F 12/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/03/1989

RPI 950

Deferimento

#9.1

09/13/1988

RPI 934

Exigência - art. 36 da LPI

#6.1

03/29/1988

RPI 910

Exigência - art. 36 da LPI

#6.1

04/15/1986

RPI 808

Solicitação de exame técnico

#4.1

03/19/1985

RPI 752

Publicação do pedido de patente

#3.1

10/30/1984

RPI 732

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Carta-patente expirada

#21.1

Patente extinta em 20/03/99

07/08/2008

RPI 1957

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