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Official data from INPI

REGISTRO CODIFICADO E SISTEMA PARA COMUNICAÇÃO DE DADOS DE UM MEDIDOR DE UTILIDADE OU SEMELHANTE ATRAVÉS DE LINHAS DE PELO MENOS DOIS FIOS

Em AnáliseInvention Patent

Application data

Number

PI9102136

Type

Invention Patent

Filing

05/24/1991

Publication

12/24/1991

Progress at the INPI

  1. Filing05/24/91
  2. Publication12/24/91
  3. Examination03/03/92
  4. Allowance
  5. Grant
  6. In force

Published on 12/24/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 10/08/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schlumberger Industries, Inc

US

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Inventors

D. H. (pessoa física)

US

W. J. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

528.391 · 05/25/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/08/1996

RPI 1349

Solicitação de exame técnico

#4.1

03/03/1992

RPI 1109

Publicação do pedido de patente

#3.1

12/24/1991

RPI 1099

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