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Official data from INPI

PROCESSO PARA RETARDAR A DECOMPOSIÇÃO DE ISOLAMENTO DE CABO ELÉTRICO, MATERIAL RESISTENTE À DECOMPOSIÇÃO E APARELHO PARA PROLONGAR A VIDA ÚTIL DE CABO SUBTERRÂNEO

ConcedidaInvention Patent

Application data

Number

PI8205354

Type

Invention Patent

Filing

09/13/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing09/13/82
  2. Publication04/17/84
  3. Examination08/27/85
  4. Allowance09/15/87
  5. Grant06/28/88
  6. Terminated06/26/90

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cable Technology Laboratories Inc.

US

Inventors

G. B. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/15/1987

RPI 882

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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