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Official data from INPI

PROCESSO PARA DEPURACAO DOS GASES DE ESCAPE NA INDUSTRIA E DISPOSITIVO PARA A EXECUCAO DO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7801223

Type

Invention Patent

Filing

03/02/1977

Publication

-

Progress at the INPI

  1. Filing03/02/77
  2. Publication
  3. Examination
  4. Allowance06/14/83
  5. Grant12/27/83
  6. Terminated06/14/88

The patent was granted on 12/27/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OTTO & CO GMBH DR C

SIDMAR NV

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Inventors

H. E. (pessoa física)

M. H. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

16.3

03/20/1984

RPI 700

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

10/04/1983

RPI 676

Deferimento

#9.1

06/14/1983

RPI 660

Exigência - art. 36 da LPI

#6.1

11/16/1982

RPI 630

Exigência - art. 36 da LPI

#6.1

01/19/1982

RPI 587

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