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Official data from INPI

PLACA DE CUBO, PROCESSO PARA SUA FABRICACAO E CUBO DE ROTOR DE HELICOPTERO

ConcedidaInvention Patent

Application data

Number

PI8303640

Type

Invention Patent

Filing

07/08/1982

Publication

02/14/1984

Progress at the INPI

  1. Filing07/08/82
  2. Publication02/14/84
  3. Examination09/03/85
  4. Allowance06/09/87
  5. Grant11/24/87
  6. Terminated05/02/95

The patent was granted on 11/24/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AEROSPATIALE [FR]

Inventors

L. M. (pessoa física)

M. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

09/03/1985

RPI 776

Publicação do pedido de patente

#3.1

02/14/1984

RPI 695

Pedido de patente depositado

#2.1

08/23/1983

RPI 670

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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