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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPOSTOS CARBONILADOS -DIETILÊNICOS.

Em AnáliseInvention Patent

Application data

Number

PI8402584

Type

Invention Patent

Filing

05/25/1984

Publication

04/23/1985

Progress at the INPI

  1. Filing05/25/84
  2. Publication04/23/85
  3. Examination11/18/86
  4. Allowance02/01/90
  5. Grant08/28/90
  6. Terminated09/05/95

The patent was granted on 08/28/1990 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: 11/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. S. (pessoa física)

FR

Inventors

A. F. (pessoa física)

FR

J. G. (pessoa física)

FR

N. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

08809 · 05/27/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/18/1986

RPI 839

Publicação do pedido de patente

#3.1

04/23/1985

RPI 757

Pedido de patente depositado

#2.1

08/07/1984

RPI 720

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

02/01/1990

RPI 1004

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