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Official data from INPI

PROCESSO E INSTALACAO PARA A SECAGEM DE CONCENTRADOS RADIOATIVOS DE AGUAS RESIDUAIS DE INSTALACOES DE EVAPORADORES

Em AnáliseInvention Patent

Application data

Number

PI8007026

Type

Invention Patent

Filing

11/02/1979

Publication

-

Progress at the INPI

  1. Filing11/02/79
  2. Publication
  3. Examination04/12/83
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated09/26/89

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.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRAFTWERK UNION AG

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Inventors

E. D. (pessoa física)

M. O. (pessoa física)

Q. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

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

09/13/1983

RPI 673

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

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