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Official data from INPI

PROCESSO PARA EXTRAIR URÂNIO DE UMA SOLUÇÃO DE LIXIVIAÇÃO ÁCIDA

ArquivadaInvention Patent

Application data

Number

PI8202948

Type

Invention Patent

Filing

05/21/1982

Publication

05/03/1983

Progress at the INPI

  1. Filing05/21/82
  2. Publication05/03/83
  3. Abandoned07/30/85
  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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

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Inventors

I. I. (pessoa física)

CA

W. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

271.718 · 06/08/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

03/17/1987

RPI 856

6.2

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

07/30/1985

RPI 771

Publicação do pedido de patente

#3.1

05/03/1983

RPI 654

Pedido de patente depositado

#2.1

07/13/1982

RPI 612

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