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Official data from INPI

PROCESSO PARA A IMOBILIZACAO DE GASES NOBRES RADIOATIVOS EM ZEOLITOS

ConcedidaInvention Patent

Application data

Number

PI8007007

Type

Invention Patent

Filing

12/01/1979

Publication

-

Progress at the INPI

  1. Filing12/01/79
  2. Publication
  3. Examination10/06/81
  4. Allowance09/14/82
  5. Grant03/29/83
  6. Terminated02/04/92

The patent was granted on 03/29/1983 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: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KERNFORSCHUNGSZ KARLSRUHE [DE]

Inventors

P. R. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/14/1982

RPI 621

Solicitação de exame técnico

#4.1

10/06/1981

RPI 572

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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