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Official data from INPI

DISPOSITIVO DIRECIONAL E ESTABILIZADOR PARA AERONAVE COM ASAS GIRATÓRIAS E HELICÓPTERO

Em AnáliseInvention Patent

Application data

Number

PI8702974

Type

Invention Patent

Filing

06/11/1987

Publication

03/08/1988

Progress at the INPI

  1. Filing06/11/87
  2. Publication03/08/88
  3. Examination10/31/89
  4. Allowance04/09/91
  5. Grant10/29/91
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aerospatiale Société Nationale Industrielle

FR

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Inventors

P. R. (pessoa física)

FR

R. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 08644 · 06/16/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

08/18/1987

RPI 878

Carta-patente expirada

#21.1

Patente extinta em 11/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/23/1991

RPI 1077

Deferimento

#9.1

04/09/1991

RPI 1062

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