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Official data from INPI

COLUNA DE DESTILACAO

Em AnáliseInvention Patent
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Application data

Number

PI8404415

Type

Invention Patent

Filing

08/31/1984

Publication

04/08/1986
View on INPI

Progress at the INPI

  1. Filing08/31/84
  2. Publication04/08/86
  3. Examination03/29/88
  4. Allowance
  5. Grant
  6. In force

Published on 04/08/1986, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. O. (pessoa física)

Inventors

O. [. (pessoa física)

Technical data

IPC Classification

C12F 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/29/1988

RPI 910

Retificação

#15.6

12/29/1987

RPI 897

Retificação

#15.3

11/03/1987

RPI 889

3.4

06/10/1986

RPI 816

Publicação do pedido de patente

#3.1

04/08/1986

RPI 807

Pedido de patente depositado

#2.1

10/08/1985

RPI 781

Alteração de numeração

#15.1

05/07/1991

RPI 1066

Retificação

#15.6

01/15/1991

RPI 1050

Retificação

#15.3

09/18/1990

RPI 1033

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