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Official data from INPI

PISTÃO DE ALUMÍNIO PARA MOTORES DE COMBUSTÃO E PROCESSO PARA SUA FABRICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8500563

Type

Invention Patent

Filing

02/07/1985

Publication

09/24/1985

Progress at the INPI

  1. Filing02/07/85
  2. Publication09/24/85
  3. Examination08/25/87
  4. Allowance06/04/91
  5. Grant12/31/91
  6. Terminated05/21/96

The patent was granted on 12/31/1991 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mahle GmbH

DE

Mahle GMBH

DE

See this company's full portfolio

Inventors

H. K. (pessoa física)

DE

Technical data

Priority claims

DE

P 34 04 903.7 · 02/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/25/1987

RPI 879

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

04/30/1985

RPI 758

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

12/31/1991

RPI 1100

Republicação - classificação IPC

#15.11

10/15/1991

RPI 1089

Notificação para pagamento de retribuição

#13.1

10/01/1991

RPI 1087

Deferimento

#9.1

06/04/1991

RPI 1070

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

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