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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8504175

Type

Invention Patent

Filing

08/29/1985

Publication

06/24/1986

Progress at the INPI

  1. Filing08/29/85
  2. Publication06/24/86
  3. Examination08/16/88
  4. Allowance
  5. Grant
  6. In force

Published on 06/24/1986, 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

H. D. (pessoa física)

K. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/16/1988

RPI 930

Publicação do pedido de patente

#3.1

06/24/1986

RPI 818

Pedido de patente depositado

#2.1

11/12/1985

RPI 786

Retificação

#15.3

02/02/1993

RPI 1157

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