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Official data from INPI

MOTOR DE COMBUSTÃO INTERNA E PROCESSO PARA A REALIZAÇÃO DA COMBUSTÃO DE UMA CARGA DE AR E COMBUSTIVEL EM UM MOTOR DE COMBUSTÃO INTERNA

Em AnáliseInvention PatentPCT · US1987001436

Application data

Number

PI8707369

Type

Invention Patent

Filing

06/23/1987

Publication

09/13/1988

PCT

US1987001436

Progress at the INPI

  1. Filing06/23/87
  2. Publication09/13/88
  3. Examination03/21/89
  4. Allowance09/24/91
  5. Grant06/30/92
  6. Terminated10/24/95

The patent was granted on 06/30/1992 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: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sonex Research Inc

US

Inventors

A. P. (pessoa física)

US

D. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

880293 · 06/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/21/1989

RPI 961

Notificação de entrada na fase nacional - PCT

#1.3

09/13/1988

RPI 934

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

01/28/1992

RPI 1104

Deferimento

#9.1

09/24/1991

RPI 1086

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