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Official data from INPI

APARELHO E PROCESSO DE TRANSMISSÃO DE DADOS DE FAIXA AMPLA EM UMA REDE DE DISTRIBUIÇÃO DE ELETRICIDADE

Em AnáliseInvention Patent

Application data

Number

PI9001953

Type

Invention Patent

Filing

04/26/1990

Publication

07/30/1991

Progress at the INPI

Awaiting grant fee payment
  1. Filing04/26/90
  2. Publication07/30/91
  3. Examination10/13/93
  4. Allowance09/06/94
  5. Grant
  6. In force

The application was allowed by the INPI on 09/06/1994. The grant of the letters patent is being processed.

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Latest action published by the INPI: 07/04/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schlumberger Industries, Inc

US

See this company's full portfolio

Inventors

E. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

343,202 · 04/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

07/04/1995

RPI 1283

Notificação para pagamento de retribuição

#13.1

01/10/1995

RPI 1258

Deferimento

#9.1

09/06/1994

RPI 1240

Exigência - art. 36 da LPI

#6.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

10/13/1993

RPI 1193

Publicação do pedido de patente

#3.1

07/30/1991

RPI 1078

Pedido de patente depositado

#2.1

09/11/1990

RPI 1032

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