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Official data from INPI

PROCESSO QUIMICO PARA ENRIQUECIMENTO DO URANIO EM UM DE SEUS ISOTOPOS

ConcedidaInvention Patent

Application data

Number

PI7700879

Type

Invention Patent

Filing

02/13/1976

Publication

-

Progress at the INPI

  1. Filing02/13/76
  2. Publication
  3. Examination
  4. Allowance04/06/82
  5. Grant10/26/82
  6. Terminated10/23/90

The patent was granted on 10/26/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/26/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

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Inventors

A. J. (pessoa física)

N. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/26/1982

RPI 627

Notificação para pagamento de retribuição

#13.1

07/27/1982

RPI 614

Deferimento

#9.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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