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Official data from INPI

VALVULA REGULADORA,CONJUNTO,PROCESSO DE CONTROLE E PROCESSO DE ALIMENTACAO DE COMBUSTIVEL SECUNDARIO GASOSO PARA MOTOR DE COMBUSTAO INTERNA

Em AnáliseInvention Patent

Application data

Number

PI8307434

Type

Invention Patent

Filing

07/12/1982

Publication

07/17/1984

Progress at the INPI

  1. Filing07/12/82
  2. Publication07/17/84
  3. Examination03/25/86
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Terminated10/10/89

The patent was granted on 07/26/1988 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PROPANE CARBURETION SYST [US]

Inventors

B. [. (pessoa física)

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

03/25/1986

RPI 805

Retificação da notificação da fase nacional - PCT

#1.3.1

09/18/1984

RPI 726

Notificação de entrada na fase nacional - PCT

#1.3

07/17/1984

RPI 717

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