Official data from INPI

APARELHO DE PROPULSÃO EXTERNA MARÍTIMO.

ConcedidaInvention Patent

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Application data

Number

PI8301082

Type

Invention Patent

Filing

03/04/1983

Publication

11/22/1983

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Progress at the INPI

Filing03/04/83
Publication11/22/83
Examination12/03/85
Allowance09/30/86
Grant06/30/87
Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

Inventors

A. [. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

359,007 · 03/17/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Deferimento

#9.1

09/30/1986

RPI 832

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

11/22/1983

RPI 683

Pedido de patente depositado

#2.1

04/19/1983

RPI 652

Carta-patente expirada

#21.1

Patente extinta em 04/03/98

07/01/2008

RPI 1956

18.8

09/20/1994

RPI 1242

22.2

09/20/1994

RPI 1242

18.1

04/06/1993

RPI 1166

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