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Official data from INPI

ESTRUTURA ELETRICA COM ISOLANTE EM PAPEL SINTETICO IMPREGNADO

Em AnáliseInvention Patent

Application data

Number

PI8007810

Type

Invention Patent

Filing

11/30/1979

Publication

-

Progress at the INPI

  1. Filing11/30/79
  2. Publication
  3. Examination08/23/83
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated06/21/88

The patent was granted on 05/28/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI

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Inventors

B. C. (pessoa física)

V. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Conhecimento de parecer técnico

#7.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

14.1

05/18/1982

RPI 604

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