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Official data from INPI

MECANISMO DE PROPULSÃO ESPECIALMENTE PARA VEÍCULOS HIDROVIÁRIOS QUE NAVEGAM EM ÁGUAS RASAS

PublicadaInvention Patent

Application data

Number

PI8602156

Type

Invention Patent

Filing

05/13/1986

Publication

11/10/1987

Progress at the INPI

  1. Filing05/13/86
  2. Publication11/10/87
  3. Examination06/05/90
  4. Allowance02/05/91
  5. Grant09/24/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schottel-Werft Josef Becker GmbH & Co Kg.

DE

Inventors

F. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 09 032.8 · 03/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/10/1987

RPI 890

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Carta-patente expirada

#21.1

Patente extinta em 13/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

05/21/1991

RPI 1068

Deferimento

#9.1

02/05/1991

RPI 1053

Solicitação de exame técnico

#4.1

06/05/1990

RPI 1021

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