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Official data from INPI

Isolador.

Em AnáliseInvention Patent

Application data

Number

PI7908373

Type

Invention Patent

Filing

12/20/1979

Publication

-

Progress at the INPI

  1. Filing12/20/79
  2. Publication
  3. Examination11/03/81
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Terminated06/14/88

The patent was granted on 10/25/1983 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

Ceraver.

FR

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Inventors

W. M. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78 35 918 · 12/21/1978

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

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Exigência - art. 36 da LPI

#6.1

05/18/1982

RPI 604

Solicitação de exame técnico

#4.1

11/03/1981

RPI 576

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