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Official data from INPI

DISCO DE DIMENSIONAMENTO DE CONDUTORES ELÉTRICOS

Em AnáliseInvention Patent

Application data

Number

PI8704124

Type

Invention Patent

Filing

07/20/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/20/87
  2. Publication03/29/88
  3. Examination08/23/88
  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: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cabos S/A

SP, BR

See this company's full portfolio

Inventors

P. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação antecipada

#3.2

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Carta-patente expirada

#21.1

Patente extinta em 20/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/16/1994

RPI 1237

Deferimento

#9.1

04/19/1994

RPI 1220

Exigência - art. 36 da LPI

#6.1

09/21/1993

RPI 1190

14.4

02/24/1993

RPI 1160

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