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Official data from INPI

DIPOSITIVO PARA ENRIQUECIMENTO DE URANIO PELO PROCESSO DE BOCAIS DE SEPARACAO

ConcedidaInvention Patent

Application data

Number

PI8000342

Type

Invention Patent

Filing

01/20/1979

Publication

-

Progress at the INPI

  1. Filing01/20/79
  2. Publication
  3. Examination
  4. Allowance10/25/83
  5. Grant04/24/84
  6. Terminated09/25/90

The patent was granted on 04/24/1984 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: 08/07/1984. 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).

Republicação - classificação IPC

#15.11

08/07/1984

RPI 720

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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