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Official data from INPI

SISTEMA CATALITICO DE REDUCAO E OXIDACAO DE ESCAPAMENTO COM MOTOR DE COMBUSTAO INTERNA

Em AnáliseInvention Patent

Application data

Number

PI7805608

Type

Invention Patent

Filing

08/31/1977

Publication

-

Progress at the INPI

  1. Filing08/31/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ENGELHARD MIN & CHEM

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.2

07/26/1983

RPI 666

Arquivamento - Art. 38 §2° da LPI

#11.4

12/28/1982

RPI 636

Notificação para pagamento de retribuição

#13.1

06/08/1982

RPI 607

Deferimento

#9.1

02/16/1982

RPI 591

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