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Official data from INPI

PROCESSO PARA A RECUPERACAO DO TEOR DE URANIO,APARELHO PARA EFETUACAO DE RECUPERACAO DO TEOR DE URANIO E APERFEICOAMENTO EM PROCESSO PARA A EXTRACAO DE URANIO DE UM MINERIO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI7902197

Type

Invention Patent

Filing

04/12/1978

Publication

-

Progress at the INPI

  1. Filing04/12/78
  2. Publication
  3. Examination01/05/82
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated05/17/88

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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DAVY INT LTD

Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

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

Republicação - classificação IPC

#15.11

05/24/1983

RPI 657

Conhecimento de parecer técnico

#7.1

04/05/1983

RPI 650

Solicitação de exame técnico

#4.1

01/05/1982

RPI 585

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