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Official data from INPI

AERÓFILO PARA VEÍCULO E PROCESSO PARA A CONSTRUÇÃO DO AEROFÓLIO

ConcedidaInvention Patent

Application data

Number

PI8403204

Type

Invention Patent

Filing

06/29/1984

Publication

06/11/1985

Progress at the INPI

  1. Filing06/29/84
  2. Publication06/11/85
  3. Examination10/14/86
  4. Allowance11/01/88
  5. Grant09/26/89
  6. Terminated10/16/90

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Michael Ladney, Jr.

US

Inventors

N. L. (pessoa física)

US

W. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

510,066 · 07/01/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

05/03/1988

RPI 915

Exigência - art. 36 da LPI

#6.1

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

10/14/1986

RPI 834

Publicação do pedido de patente

#3.1

06/11/1985

RPI 764

Pedido de patente depositado

#2.1

09/04/1984

RPI 724

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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