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Official data from INPI

EMENDA DE UM CABO TELEFÔNICO

ConcedidaInvention Patent
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Application data

Number

PI8203426

Type

Invention Patent

Filing

06/11/1982

Publication

01/10/1984
View on INPI

Progress at the INPI

  1. Filing06/11/82
  2. Publication01/10/84
  3. Examination05/22/84
  4. Allowance07/19/88
  5. Grant05/30/89
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. S. (pessoa física)

SP, BR

Inventors

S. S. (pessoa física)

BR

Technical data

IPC Classification

H02G 15/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/30/1989

RPI 971

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/19/1988

RPI 926

Retificação

#15.3

05/10/1988

RPI 916

15.5

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

14.1

08/27/1985

RPI 775

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

05/22/1984

RPI 709

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

Patente extinta em 11/06/97

07/01/2008

RPI 1956

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