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Official data from INPI

APERFEICOAMENTO EM MOTOR DE COMBUSTAO INTERNA

Em AnáliseInvention Patent

Application data

Number

PI8009058

Type

Invention Patent

Filing

05/09/1980

Publication

04/06/1982

Progress at the INPI

  1. Filing05/09/80
  2. Publication04/06/82
  3. Examination12/20/83
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Terminated09/26/89

The patent was granted on 03/26/1985 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. F. (pessoa física)

Inventors

F. [. (pessoa física)

Technical data

Priority claims

US

148.315 · 05/09/1980

US

80/00646 · 05/28/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Republicação - classificação IPC

#15.11

05/28/1985

RPI 762

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Republicação - classificação IPC

#15.11

12/11/1984

RPI 738

Republicação - classificação IPC

#15.11

10/16/1984

RPI 730

Deferimento

#9.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

12/20/1983

RPI 687

Notificação de entrada na fase nacional - PCT

#1.3

04/06/1982

RPI 598

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