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Official data from INPI

PROCESSO PARA OBTENÇÃO DE DERIVADOS DE INDOL

Em AnáliseInvention Patent

Application data

Number

PI8505144

Type

Invention Patent

Filing

10/16/1985

Publication

07/29/1986

Progress at the INPI

  1. Filing10/16/85
  2. Publication07/29/86
  3. Examination10/11/88
  4. Allowance01/26/93
  5. Grant06/29/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

E. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 38 218.6 · 10/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

12/24/1985

RPI 792

Carta-patente expirada

#21.1

Patente extinta em 16/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

05/11/1993

RPI 1171

Deferimento

#9.1

01/26/1993

RPI 1156

Exigência - art. 36 da LPI

#6.1

02/26/1991

RPI 1056

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