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Official data from INPI

CONDUTOR RETORCIDO COMPOSTO DO TIPO SUSPENSO

ConcedidaInvention Patent

Application data

Number

PI8405718

Type

Invention Patent

Filing

11/09/1984

Publication

09/10/1985

Progress at the INPI

  1. Filing11/09/84
  2. Publication09/10/85
  3. Examination03/31/87
  4. Allowance05/16/89
  5. Grant11/28/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Electric Industries, Ltd.

JP

See this company's full portfolio

Inventors

M. O. (pessoa física)

JP

Y. S. (pessoa física)

JP

Y. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

212982/1983 · 11/11/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

11/16/1988

RPI 943

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

01/29/1985

RPI 745

Carta-patente expirada

#21.1

Patente extinta em 09/11/99

07/08/2008

RPI 1957

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