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Official data from INPI

APARELHO E PROCESSO PARA CALCULAR A ECONOMIA CORRIGIDA DE COMBUSTÍVEL DE VEÍCULO

PublicadaInvention Patent

Application data

Number

PI8801308

Type

Invention Patent

Filing

03/23/1988

Publication

11/01/1988

Progress at the INPI

  1. Filing03/23/88
  2. Publication11/01/88
  3. Examination02/13/91
  4. Allowance
  5. Grant
  6. In force

Published on 11/01/1988, 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: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Paccar Inc.

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

029.271 · 03/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/01/1988

RPI 941

Pedido de patente depositado

#2.1

07/19/1988

RPI 926

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era G06F 15/20.

03/20/2018

RPI 2463

Retificação

#15.3

05/24/1994

RPI 1225

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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