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Official data from INPI

PELE RETICULADA POR BOMBARDEAMENTO DE ELÉTRONS (IRRADIAÇÃO) PARA ISOLANTE DE CABO PARA BAIXAS TENSÕES.

Prazo de SigiloInvention Patent

Application data

Number

PI8807026

Type

Invention Patent

Filing

12/29/1988

Publication

08/07/1990

Progress at the INPI

  1. Filing12/29/88
  2. Publication08/07/90
  3. Examination02/25/92
  4. Allowance02/23/99
  5. Grant08/24/99
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cabos S.A.

SP, BR

Pirelli S A Cia Industrial Brasileira

SP, BR

See this company's full portfolio

Inventors

P. B. (pessoa física)

BR

S. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/02/1989

RPI 967

Carta-patente expirada

#21.1

Patente extinta em 24/08/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

08/24/1999

RPI 1494

Deferimento

#9.1

02/23/1999

RPI 1468

Exigência - art. 36 da LPI

#6.1

02/12/1997

RPI 1367

14.4

04/20/1993

RPI 1168

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

08/07/1990

RPI 1027

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