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Official data from INPI

APERFEIÇOAMENTO EM CABOS DE LIGAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8705897

Type

Invention Patent

Filing

10/29/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing10/29/87
  2. Publication05/17/88
  3. Examination08/16/88
  4. Allowance04/19/94
  5. Grant10/25/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cabos S/A

SP, BR

Pirelli Energia Cabos e Sistemas do Brasil S.A.

SP, BR

See this company's full portfolio

Inventors

P. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/16/1988

RPI 930

Publicação antecipada

#3.2

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

02/09/1988

RPI 903

Carta-patente expirada

#21.1

Patente extinta em 29/10/2002

07/29/2008

RPI 1960

Alteração de nome deferida

#25.4

Alterado de: Pirelli Cabos S.A.

01/17/2006

RPI 1828

Concessão da patente

#16.1

10/25/1994

RPI 1247

Deferimento

#9.1

04/19/1994

RPI 1220

Exigência - art. 36 da LPI

#6.1

08/24/1993

RPI 1186

14.4

02/16/1993

RPI 1159

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