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Official data from INPI

APARELHO PARA COMPENSAR A QUEDA DE VOLTAGEM INDUZIDA E RESISTÊNCIA E CIRCUITO DE CONVERSÃO ANALÓGICO PARA DIGITAL.

Em AnáliseInvention PatentPCT · US1985001573

Application data

Number

PI8507235

Type

Invention Patent

Filing

08/19/1985

Publication

10/27/1987

PCT

US1985001573

Progress at the INPI

  1. Filing08/19/85
  2. Publication10/27/87
  3. Examination01/24/89
  4. Allowance
  5. Grant
  6. In force

Published on 10/27/1987, 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: 01/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

M. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

748.081 · 06/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/24/1989

RPI 953

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

Retificação

#15.3

06/25/1991

RPI 1073

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