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Official data from INPI

MÉTODO PARA JUNTAR DUAS FIBRAS ÓPTICAS E JUNÇÃO ASSIM OBTIDA

ConcedidaInvention Patent

Application data

Number

PI8500258

Type

Invention Patent

Filing

01/21/1985

Publication

09/03/1985

Progress at the INPI

  1. Filing01/21/85
  2. Publication09/03/85
  3. Examination06/16/87
  4. Allowance05/02/89
  5. Grant09/26/89
  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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

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

IT

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Inventors

B. B. (pessoa física)

IT

S. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19.341 A/84 · 01/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Deferimento

#9.1

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

Carta-patente expirada

#21.1

Patente extinta em 21/01/2000

07/15/2008

RPI 1958

20.4

09/01/1992

RPI 1135

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