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Official data from INPI

PROCESSO DE VALORIZACAO POR SEPARACAO SELETIVA DO URANIO E DO ARSENICO SOLUBILIZADOS POR ATAQUE SULFURICO DE UM MINERIO URANIFERO QUE CONTEM O DITO ARSENICO COM IMPUREZA INOPORTUNA

Em AnáliseInvention Patent

Application data

Number

PI8100186

Type

Invention Patent

Filing

01/15/1980

Publication

-

Progress at the INPI

  1. Filing01/15/80
  2. Publication
  3. Examination11/24/81
  4. Allowance09/04/84
  5. Grant03/26/85
  6. Terminated01/17/89

The patent was granted on 03/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. U. (pessoa física)

Inventors

F. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

01/17/1989

RPI 952

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

11/24/1981

RPI 579

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