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Official data from INPI

PROCESSO PARA A PRODUCAO DE UM CONDUTOR ISOLADO COM PLASTICO ESPUMADO E APARELHO PARA A EXECUCAO DO MESMO

ConcedidaInvention Patent

Application data

Number

PI7901198

Type

Invention Patent

Filing

02/28/1978

Publication

-

Progress at the INPI

  1. Filing02/28/78
  2. Publication
  3. Examination11/17/81
  4. Allowance11/16/82
  5. Grant06/28/83
  6. Expired05/31/94

The letters patent expired on 05/31/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FURUKAWA ELECTRIC CO LTD

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Inventors

M. Y. (pessoa física)

S. H. (pessoa física)

S. T. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

03/22/1983

RPI 648

Deferimento

#9.1

11/16/1982

RPI 630

Exigência - art. 36 da LPI

#6.1

06/01/1982

RPI 606

Solicitação de exame técnico

#4.1

11/17/1981

RPI 578

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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