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Official data from INPI

MOTOR DE COMBUSTAO INTERNA COM VARIOS PISTOES RECIPROCANTES

Em AnáliseInvention Patent

Application data

Number

PI8105875

Type

Invention Patent

Filing

09/17/1980

Publication

06/08/1982

Progress at the INPI

  1. Filing09/17/80
  2. Publication06/08/82
  3. Examination06/12/84
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Terminated05/24/88

The patent was granted on 04/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VOLKSWAGENWERK AG

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Inventors

H. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

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