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Official data from INPI

PROCESSO PARA PÓS-TRATAMENTO DE RESÍDUOS DE EXTRAÇÃO DE ÁCIDO SULFÚRICO, CHAMADOS REFINADOS.

ArquivadaInvention Patent

Application data

Number

PI8205262

Type

Invention Patent

Filing

09/09/1982

Publication

08/16/1983

Progress at the INPI

  1. Filing09/09/82
  2. Publication08/16/83
  3. Abandoned09/17/85
  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: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

G. H. (pessoa física)

DE

G. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 35 801.2 · 09/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/03/1987

RPI 889

6.2

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

08/16/1983

RPI 669

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

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