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Official data from INPI

PROCESSO DE MONTAGEM DE UMA MEMBRANA POROSA SOBRE UM SUPORTE,MONTAGEM,DISPOSITIVO DE UTILIZACAO DA MONTAGEM E GERADOR ELETROQUIMICO CORRELATOS

Em AnáliseInvention Patent

Application data

Number

PI7802644

Type

Invention Patent

Filing

04/27/1977

Publication

-

Progress at the INPI

  1. Filing04/27/77
  2. Publication
  3. Examination
  4. Allowance08/03/82
  5. Grant04/26/83
  6. Terminated06/14/88

The patent was granted on 04/26/1983 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

MICHELIN & CIE

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Inventors

C. A. (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

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

08/03/1982

RPI 615

15.0

02/16/1982

RPI 591

Exigência - art. 36 da LPI

#6.1

01/26/1982

RPI 588

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