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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE HIDRAZIDINAS

ConcedidaInvention Patent

Application data

Number

PI8203853

Type

Invention Patent

Filing

07/01/1982

Publication

06/28/1983

Progress at the INPI

  1. Filing07/01/82
  2. Publication06/28/83
  3. Examination08/20/85
  4. Allowance09/01/87
  5. Grant02/23/88
  6. Terminated10/16/90

The patent was granted on 02/23/1988 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: 02/23/1988. 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 31 26 388.7 · 07/03/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

12/29/1987

RPI 897

Deferimento

#9.1

09/01/1987

RPI 880

Exigência - art. 36 da LPI

#6.1

05/06/1986

RPI 811

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

3.4

08/16/1983

RPI 669

Publicação do pedido de patente

#3.1

06/28/1983

RPI 662

Pedido de patente depositado

#2.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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