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Official data from INPI

APERFEICOAMENTOS EM PROCESSOS E DISPOSITIVOS DE REGULAGEM AUTOMATICA DO AVANCO DA IGNICAO

Em AnáliseInvention Patent

Application data

Number

PI8102149

Type

Invention Patent

Filing

04/09/1980

Publication

10/13/1981

Progress at the INPI

  1. Filing04/09/80
  2. Publication10/13/81
  3. Examination03/09/82
  4. Allowance02/14/84
  5. Grant09/25/84
  6. Terminated08/30/94

The patent was granted on 09/25/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIBE

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Inventors

A. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Republicação - classificação IPC

#15.11

08/23/1983

RPI 670

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Publicação do pedido de patente

#3.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

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