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Official data from INPI

PROCESSO DE CONDICIONAMENTO E REDUÇÃO DA RESISTIVIDADE DE GASES DE EXAUSTÃO.

Em AnáliseInvention Patent

Application data

Number

PI7904724

Type

Invention Patent

Filing

07/24/1979

Publication

-

Progress at the INPI

  1. Filing07/24/79
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant10/25/83
  6. Terminated06/14/88

The patent was granted on 10/25/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F.L. Smidth & Co. A/S.

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Inventors

P. H. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

31061/78 · 07/25/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

14.1

10/26/1982

RPI 627

Exigência - art. 36 da LPI

#6.1

04/06/1982

RPI 598

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