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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE 2,3-DIHIDRO-2,2-DIMETIL-7-HIDRÓXI-BENZOFURANO

DeferidaInvention Patent

Application data

Number

PI8306229

Type

Invention Patent

Filing

11/11/1983

Publication

06/19/1984

Progress at the INPI

  1. Filing11/11/83
  2. Publication06/19/84
  3. Examination08/13/85
  4. Allowance10/03/89
  5. Grant04/24/90
  6. Terminated04/23/96

The patent was granted on 04/24/1990 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

FR

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Inventors

S. V. (pessoa física)

FR

Technical data

Priority claims

FR

82/19548 · 11/18/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

6.2

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

08/13/1985

RPI 773

Publicação do pedido de patente

#3.1

06/19/1984

RPI 713

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

Anuidade - prazo legal encerrado

#18.2

04/23/1996

RPI 1325

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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