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Official data from INPI

Processo para a produção de PuO2, e dispositivo para sua execução.

Em AnáliseInvention Patent

Application data

Number

PI7703520

Type

Invention Patent

Filing

05/31/1977

Publication

-

Progress at the INPI

  1. Filing05/31/77
  2. Publication
  3. Examination
  4. Allowance04/06/82
  5. Grant
  6. Terminated10/23/90

The patent was granted 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: 08/19/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alkem GmbH

DE

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/19/1986

RPI 826

Notificação para pagamento de retribuição

#13.1

07/27/1982

RPI 614

Deferimento

#9.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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