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Official data from INPI

DISPOSITIVO ELETROQUIMICO COM SEPARADOR E ELETROLITO SOLIDOS

Em AnáliseInvention Patent

Application data

Number

PI7808279

Type

Invention Patent

Filing

12/15/1977

Publication

-

Progress at the INPI

  1. Filing12/15/77
  2. Publication
  3. Examination10/06/81
  4. Allowance06/01/82
  5. Grant01/25/83
  6. Terminated06/14/88

The patent was granted on 01/25/1983 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

MICHELIN & CIE

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Inventors

C. F. (pessoa física)

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

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

15.0

06/08/1982

RPI 607

Deferimento

#9.1

06/01/1982

RPI 606

Solicitação de exame técnico

#4.1

10/06/1981

RPI 572

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