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Official data from INPI

DISPOSITIVO DE AUXÍLIO À PILOTAGEM DE AERONAVES COM PÁS GIRATÓRIAS.

Arquivada/ExtintaInvention PatentPCT · FR1987000204

Application data

Number

PI8707788

Type

Invention Patent

Filing

06/10/1987

Publication

10/31/1989

PCT

FR1987000204

Progress at the INPI

  1. Filing06/10/87
  2. Publication10/31/89
  3. Examination03/05/91
  4. Allowance11/17/92
  5. Grant07/27/93
  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

D. R. (pessoa física)

FR

Inventors

D. R. (pessoa física)

FR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 10/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

04/06/1993

RPI 1166

Deferimento

#9.1

11/17/1992

RPI 1146

Exigência - art. 36 da LPI

#6.1

02/11/1992

RPI 1106

Solicitação de exame técnico

#4.1

03/05/1991

RPI 1057

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