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Official data from INPI

APARELHO DE CENTRAGEM AXIAL PARA LIGAÇÃO POR FUSÃO DE FIBRAS ÓTICAS

Em AnáliseInvention Patent

Application data

Number

PI8705724

Type

Invention Patent

Filing

10/27/1987

Publication

05/31/1988

Progress at the INPI

  1. Filing10/27/87
  2. Publication05/31/88
  3. Examination09/27/88
  4. Allowance03/24/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Furukawa Electric Co., Ltd.

JP

See this company's full portfolio

Inventors

K. T. (pessoa física)

JP

S. K. (pessoa física)

JP

T. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

61-254958 · 10/27/1986

JP

61-254959 · 10/27/1986

JP

61-254960 · 10/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 27/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/24/1992

RPI 1112

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