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Official data from INPI

SISTEMA DE COMUNICACAO POR FIBRAS OTICAS PARA PERFILAGEM DE POCO

Em AnáliseInvention Patent

Application data

Number

PI8105719

Type

Invention Patent

Filing

09/08/1980

Publication

09/08/1982

Progress at the INPI

  1. Filing09/08/80
  2. Publication09/08/82
  3. Examination09/18/84
  4. Allowance02/17/87
  5. Grant08/25/87
  6. Terminated07/12/88

The patent was granted on 08/25/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRAD RES & DEV NV [NL]

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Inventors

W. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

08/25/1987

RPI 879

Republicação - classificação IPC

#15.11

03/17/1987

RPI 856

Deferimento

#9.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Pedido de patente depositado

#2.1

10/20/1981

RPI 574

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