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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE HIDRAZIDINAS

ConcedidaInvention Patent

Application data

Number

PI8203989

Type

Invention Patent

Filing

07/08/1982

Publication

07/05/1983

Progress at the INPI

  1. Filing07/08/82
  2. Publication07/05/83
  3. Examination09/10/85
  4. Allowance
  5. Grant09/27/88
  6. Terminated10/16/90

The patent was granted on 09/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain 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

B. A. (pessoa física)

DE

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Inventors

G. B. (pessoa física)

DE

T. S. (pessoa física)

DE

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

P 3127 042.5 · 07/09/1981

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

07/19/1988

RPI 926

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

09/10/1985

RPI 777

Publicação do pedido de patente

#3.1

07/05/1983

RPI 663

Pedido de patente depositado

#2.1

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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