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Official data from INPI

PERFIL DE PA E PA PARA HELICE GIRATORIA DE AERONAVE

Em AnáliseInvention Patent

Application data

Number

PI8106142

Type

Invention Patent

Filing

09/24/1980

Publication

06/15/1982

Progress at the INPI

  1. Filing09/24/80
  2. Publication06/15/82
  3. Examination09/14/82
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 06/16/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AEROSPATIALE

ONERA (OFF NAT AEROSPATIALE)

Inventors

P. J. (pessoa física)

R. A. (pessoa física)

T. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

06/16/1987

RPI 869

16.3

12/04/1984

RPI 737

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

Patente extinta em 23/09/96

08/19/2008

RPI 1963

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