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Official data from INPI

EMBOLO PARA MOTORES DE COMBUSTÃO INTERNA

Em AnáliseInvention Patent

Application data

Number

PI8800928

Type

Invention Patent

Filing

03/03/1988

Publication

10/11/1988

Progress at the INPI

  1. Filing03/03/88
  2. Publication10/11/88
  3. Examination02/08/89
  4. Allowance09/03/91
  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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcan Deutschland GmbH

DE

Inventors

E. M. (pessoa física)

DE

G. B. (pessoa física)

DE

K. O. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 06 940.3 · 03/04/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/08/1989

RPI 955

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

Pedido de patente depositado

#2.1

06/28/1988

RPI 923

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

01/07/1992

RPI 1101

Deferimento

#9.1

09/03/1991

RPI 1083

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