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Official data from INPI

EXTERMIDADE DE PALHETA DE HÉLICE E ASA GIRATÓRIA PARA AERONAVE

Em AnáliseInvention Patent

Application data

Number

PI8203434

Type

Invention Patent

Filing

06/04/1982

Publication

06/07/1983

Progress at the INPI

  1. Filing06/04/82
  2. Publication06/07/83
  3. Examination06/18/85
  4. Allowance10/14/86
  5. Grant07/28/87
  6. 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.

Talk to a specialist

Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Office National D'Etudes Et de Aerospatiles (O.N.E.R.A.)

FR

Societe Nationale Industrielle Aerospatiale

FR

Inventors

J. P. (pessoa física)

FR

R. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 11232 · 06/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

02/09/1988

RPI 903

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

02/25/1986

RPI 801

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Publicação do pedido de patente

#3.1

06/07/1983

RPI 659

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

Patente extinta em 04/06/97

07/01/2008

RPI 1956

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