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Official data from INPI

dispositivo de medida de intensidade de uma corrente elétrica por efeiro faraday utilizado no meio de um interferômetro de sagnc.

Em AnáliseInvention Patent

Application data

Number

PI8801683

Type

Invention Patent

Filing

04/08/1988

Publication

11/16/1988

Progress at the INPI

  1. Filing04/08/88
  2. Publication11/16/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom.

FR

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Inventors

J. D. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

87 05 102 · 04/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

02/28/1989

RPI 958

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

08/16/1988

RPI 930

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: G01R 19/08; G01R 15/02.

03/27/2018

RPI 2464

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