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Official data from INPI

PROCESSO PARA REMOCAO DA ESCORIA EM PARTICULAR DE ESCORIA DE TRATAMENTO DE BANHOS METALICOS

Em AnáliseInvention Patent

Application data

Number

PI7606647

Type

Invention Patent

Filing

12/19/1975

Publication

-

Progress at the INPI

  1. Filing12/19/75
  2. Publication
  3. Examination
  4. Refused04/01/86
  5. Grant
  6. In force

The application was refused on 04/01/1986 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/01/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOESCH WERKE AG

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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).

130

04/01/1986

RPI 806

Arquivamento - Art. 36 §1° da LPI

#11.2

11/26/1985

RPI 788

8.1

08/27/1985

RPI 775

8.1

02/20/1985

RPI 748

8.1

06/26/1984

RPI 714

Deferimento

#9.1

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

08/16/1983

RPI 669

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

6.2

12/22/1981

RPI 583

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