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Official data from INPI

DISPOSITIVO DE VENTILACAO PARA UM NAVIO DE TRANSPORTE

Em AnáliseInvention Patent
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Application data

Number

PI7803657

Type

Invention Patent

Filing

06/10/1977

Publication

-
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Progress at the INPI

  1. Filing06/10/77
  2. Publication
  3. Examination
  4. Allowance04/06/82
  5. Grant
  6. Terminated10/03/89

The patent was granted 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. S. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Notificação para pagamento de retribuição

#13.1

07/27/1982

RPI 614

Deferimento

#9.1

04/06/1982

RPI 598

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