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Official data from INPI

CABO SUBMARINO DE FIBRAS ÓPTICAS PARA TELECOMUNICAÇÕES

Em AnáliseInvention Patent

Application data

Number

PI8501642

Type

Invention Patent

Filing

04/09/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing04/09/85
  2. Publication12/03/85
  3. Examination05/06/86
  4. Allowance04/03/90
  5. Grant09/25/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 05/06/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Societá Cavi Pirelli S.p.A., industrial e comercial

IT

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Inventors

P. P. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20.620-A/84 · 04/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Carta-patente expirada

#21.1

Patente extinta em 09/04/2000

07/15/2008

RPI 1958

20.4

11/10/1992

RPI 1145

Republicação - classificação IPC

#15.11

06/04/1991

RPI 1070

Concessão da patente

#16.1

09/25/1990

RPI 1034

Deferimento

#9.1

04/03/1990

RPI 1012

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