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Official data from INPI

PROCESSO PARA A DESSORCAO DE IODO DISSOCIADO DE SOLUCAO COMBUSTIVEL DE ACIDO NITRICO

ConcedidaInvention Patent

Application data

Number

PI8008403

Type

Invention Patent

Filing

12/20/1979

Publication

-

Progress at the INPI

  1. Filing12/20/79
  2. Publication
  3. Examination11/17/81
  4. Allowance09/06/83
  5. Grant03/27/84
  6. Terminated09/25/90

The patent was granted on 03/27/1984 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

NUKEM GMBH

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Inventors

H. E. (pessoa física)

S. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/27/1983

RPI 688

Deferimento

#9.1

09/06/1983

RPI 672

Exigência - art. 36 da LPI

#6.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

08/17/1982

RPI 617

Solicitação de exame técnico

#4.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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