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Official data from INPI

PERÓXIDO DE URÂNIO DE FÁCIL MANUTENÇÃO E PROCESSO DE FABRICAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8203306

Type

Invention Patent

Filing

06/04/1982

Publication

05/24/1983

Progress at the INPI

  1. Filing06/04/82
  2. Publication05/24/83
  3. Examination06/05/84
  4. Allowance09/08/87
  5. Grant04/26/88
  6. Terminated02/11/92

The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P C U K Produits Chimiques Ugine Kuhlmann

FR

See this company's full portfolio

Inventors

J. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 12081 · 06/19/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

07/01/1986

RPI 819

Conhecimento de parecer técnico

#7.1

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Publicação do pedido de patente

#3.1

05/24/1983

RPI 657

Pedido de patente depositado

#2.1

07/27/1982

RPI 614

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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