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Official data from INPI

FIBRA ÓPTICA MULTIMODAL DOTADA DE ELEVADA ATENUAÇÃO ESPECÍFICA E ATENUADOR ÓPTICO INCLUINDO A MESMA

Em AnáliseInvention Patent

Application data

Number

PI8703603

Type

Invention Patent

Filing

06/23/1987

Publication

03/15/1988

Progress at the INPI

  1. Filing06/23/87
  2. Publication03/15/88
  3. Examination05/31/88
  4. Allowance06/27/95
  5. Grant11/28/95
  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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi S.p.A

IT

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Inventors

L. G. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20882 A/86 · 06/23/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/31/1988

RPI 919

Publicação antecipada

#3.2

03/15/1988

RPI 908

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Carta-patente expirada

#21.1

Patente extinta em 23/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/28/1995

RPI 1304

Deferimento

#9.1

06/27/1995

RPI 1282

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

14.4

01/12/1993

RPI 1154

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