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Official data from INPI

PROCESSO DE FUNDIÇÃO, TRATAMENTO TÉRMICO E IMPREGNAÇÃO QUÍMICA PARA COLETORES DE ESCAPAMENTOS DE MOTORES DIESEL DE LOCOMOTIVAS E OUTROS.

ArquivadaInvention Patent

Application data

Number

PI8304749

Type

Invention Patent

Filing

08/29/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing08/29/83
  2. Publication12/27/83
  3. Abandoned06/26/84
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. L. (pessoa física)

PR, BR

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

04/28/1987

RPI 862

Arquivamento - Art. 36 §1° da LPI

#11.2

08/12/1986

RPI 825

Exigência - art. 36 da LPI

#6.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação antecipada

#3.2

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

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