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Official data from INPI

COMBINAÇÃO DE CILINDRO E ÊMBOLO PARA MOTORES DIÉSEL

ConcedidaInvention Patent

Application data

Number

PI8202219

Type

Invention Patent

Filing

04/16/1982

Publication

03/29/1983

Progress at the INPI

  1. Filing04/16/82
  2. Publication03/29/83
  3. Examination06/11/85
  4. Allowance12/29/87
  5. Grant08/29/89
  6. Terminated11/15/94

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mahle GMBH

DE

See this company's full portfolio

Inventors

W. R. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 15 709.2 · 04/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

15.17

03/07/1989

RPI 959

Retificação

#15.3

12/13/1988

RPI 947

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

12/31/1985

RPI 793

Solicitação de exame técnico

#4.1

06/11/1985

RPI 764

Publicação do pedido de patente

#3.1

03/29/1983

RPI 649

Pedido de patente depositado

#2.1

06/08/1982

RPI 607

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

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