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Official data from INPI

DISPOSITIVO PARA ENRIQUECIMENTO DE URANIO,CONSOANTE O PROCESSO DE BOCAIS SEPARADORES

ConcedidaInvention Patent

Application data

Number

PI7801824

Type

Invention Patent

Filing

03/23/1977

Publication

-

Progress at the INPI

  1. Filing03/23/77
  2. Publication
  3. Examination
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated09/18/90

The patent was granted on 07/31/1984 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: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. T. (pessoa física)

Inventors

W. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Exigência - art. 36 da LPI

#6.1

12/28/1982

RPI 636

Exigência - art. 36 da LPI

#6.1

01/19/1982

RPI 587

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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