(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

CABO DE EXTRA ALTA TENSÃO COM ISOLAMENTO EXTRUDADO

PublicadaInvention Patent

Application data

Number

PI8705104

Type

Invention Patent

Filing

08/26/1987

Publication

04/11/1989

Progress at the INPI

  1. Filing08/26/87
  2. Publication04/11/89
  3. Examination04/23/91
  4. Allowance09/05/95
  5. Grant04/30/96
  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: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cabos S/A

SP, BR

Pirelli S/A Companhia Industrial Brasileira

SP, BR

See this company's full portfolio

Inventors

F. C. (pessoa física)

BR

G. A. (pessoa física)

BR

R. H. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/11/1989

RPI 964

Pedido de patente depositado

#2.1

02/17/1988

RPI 904

Carta-patente expirada

#21.1

Patente extinta em 26/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/05/1995

RPI 1292

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

14.4

06/02/1992

RPI 1122

Solicitação de exame técnico

#4.1

04/23/1991

RPI 1064

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.