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Official data from INPI

VÁLVULA DE DESCARGA PARA UM MOTOR D COMBUSTÃO INTERNA DE MOVIMENTO ALTERNATIVO.

Em AnáliseInvention Patent

Application data

Number

PI8205523

Type

Invention Patent

Filing

09/21/1982

Publication

08/30/1983

Progress at the INPI

  1. Filing09/21/82
  2. Publication08/30/83
  3. Examination10/01/85
  4. Allowance07/14/87
  5. Grant11/24/87
  6. Terminated07/18/95

The patent was granted on 11/24/1987 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Man B & W Diesel A/S.

DK

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

Priority claims

DK

4182/81 · 09/22/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/22/1988

RPI 944

Concessão da patente

#16.1

11/24/1987

RPI 892

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

14.4

04/02/1985

RPI 754

14.7

03/05/1985

RPI 750

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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