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Official data from INPI

AVENTAL PROTETOR A RÉ ACIMA DAS HÉLICES E LEMES DE DIREÇÃO DE NAVIOS QUEBRA-GELO

Em AnáliseInvention Patent

Application data

Number

PI8603097

Type

Invention Patent

Filing

07/02/1986

Publication

02/17/1987

Progress at the INPI

  1. Filing07/02/86
  2. Publication02/17/87
  3. Examination07/28/87
  4. Allowance10/09/90
  5. Grant06/25/91
  6. Terminated10/03/95

The patent was granted on 06/25/1991 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Thyssen Nordseewerke GmbH

DE

Inventors

G. V. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 23 763.5 · 07/03/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Publicação do pedido de patente

#3.1

02/17/1987

RPI 852

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

01/22/1991

RPI 1051

Deferimento

#9.1

10/09/1990

RPI 1036

Exigência - art. 36 da LPI

#6.1

05/15/1990

RPI 1018

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