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Official data from INPI

PROCESSO E DISPOSITIVO PARA CORRECAO DA TIRAGEM EM TORRE DE RESFRIAMENTO

Em AnáliseInvention Patent

Application data

Number

PI7804729

Type

Invention Patent

Filing

07/22/1977

Publication

-

Progress at the INPI

  1. Filing07/22/77
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant09/27/83
  6. Terminated06/14/88

The patent was granted on 09/27/1983 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

RENAULT

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Inventors

M. J. (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

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

12/22/1981

RPI 583

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