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Official data from INPI

APERFEIÇOAMENTOS EM ELEMENTOS DE CONEXÃO ELÉTRICA PARA CABOS DE ENERGIA EXTRUDADOS DE MÉDIA TENSÃO

ConcedidaInvention Patent
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Application data

Number

PI8203470

Type

Invention Patent

Filing

06/14/1982

Publication

01/17/1984
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Progress at the INPI

  1. Filing06/14/82
  2. Publication01/17/84
  3. Examination11/26/85
  4. Allowance
  5. Grant02/23/88
  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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cabos S/A.

SP, BR

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Inventors

C. T. (pessoa física)

BR

M. O. (pessoa física)

BR

Technical data

IPC Classification

H01R 4/62

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

Patente extinta em 14/06/97

07/01/2008

RPI 1956

20.4

08/18/1992

RPI 1133

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