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Official data from INPI

COMPOSIÇÕES

Em AnáliseInvention Patent

Application data

Number

PI9103734

Type

Invention Patent

Filing

08/29/1991

Publication

05/19/1992

Progress at the INPI

  1. Filing08/29/91
  2. Publication05/19/92
  3. Examination06/07/94
  4. Allowance
  5. Grant
  6. In force

Published on 05/19/1992, 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: 01/09/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chapman Chemical Company

US

IBC Manufacturing Company

US

Inventors

M. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

577.020 · 09/04/1990

US

680.434 · 04/04/1991

US

689.520 · 04/23/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/09/1996

RPI 1310

Solicitação de exame técnico

#4.1

06/07/1994

RPI 1227

Publicação do pedido de patente

#3.1

05/19/1992

RPI 1120

Pedido de patente depositado

#2.1

10/08/1991

RPI 1088

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