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Official data from INPI

APERFEIÇOAMENTO EM OU RELATIVOS A CABOS ELÉTRICOS

Em AnáliseInvention Patent
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Application data

Number

PI8200724

Type

Invention Patent

Filing

02/11/1982

Publication

05/31/1983
View on INPI

Progress at the INPI

  1. Filing02/11/82
  2. Publication05/31/83
  3. Examination05/28/85
  4. Allowance08/12/86
  5. Grant04/28/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli General PLC

IT

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Inventors

C. L. (pessoa física)

GB

J. B. (pessoa física)

GB

Technical data

IPC Classification

H01B 9/00

Priority claims

GB

81 04595 · 02/13/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/14/1989

RPI 956

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/02/1986

RPI 841

Deferimento

#9.1

08/12/1986

RPI 825

Exigência - art. 36 da LPI

#6.1

12/31/1985

RPI 793

Solicitação de exame técnico

#4.1

05/28/1985

RPI 762

14.7

10/02/1984

RPI 728

14.4

09/25/1984

RPI 727

Publicação do pedido de patente

#3.1

05/31/1983

RPI 658

14.4

02/01/1983

RPI 641

Pedido de patente depositado

#2.1

03/30/1982

RPI 597

Carta-patente expirada

#21.1

Patente extinta em 11/02/97

07/01/2008

RPI 1956

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