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Official data from INPI

DISPOSITIVO PARA SEPARACAO,RESPECTIVAMENTE ENRIQUECIMENTO DE MISTURAS GASOSAS,ESPECIALMENTE DE ISOTOPOS

Em AnáliseInvention Patent

Application data

Number

PI7801279

Type

Invention Patent

Filing

03/03/1977

Publication

-

Progress at the INPI

  1. Filing03/03/77
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant04/03/84
  6. Terminated06/14/88

The patent was granted on 04/03/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. E. (pessoa física)

Inventors

G. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

04/03/1984

RPI 702

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

09/28/1982

RPI 623

6.2

01/19/1982

RPI 587

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