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Official data from INPI

CABO ELETRICO SUBMARINO

ConcedidaInvention Patent
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Application data

Number

PI8107272

Type

Invention Patent

Filing

11/12/1980

Publication

06/07/1983
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Progress at the INPI

  1. Filing11/12/80
  2. Publication06/07/83
  3. Examination05/28/85
  4. Allowance08/18/87
  5. Grant05/31/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI CAVI SPA [IT]

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Inventors

B. G. (pessoa física)

P. G. (pessoa física)

S. A. (pessoa física)

Technical data

IPC Classification

H02G 9/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

12/15/1987

RPI 895

Deferimento

#9.1

08/18/1987

RPI 878

11.8

06/09/1987

RPI 868

Retificação

#15.3

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

01/14/1986

RPI 795

Solicitação de exame técnico

#4.1

05/28/1985

RPI 762

Publicação do pedido de patente

#3.1

06/07/1983

RPI 659

14.1

02/01/1983

RPI 641

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

Patente extinta em 10/11/96

08/19/2008

RPI 1963

20.4

11/03/1992

RPI 1144

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