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Official data from INPI

SISTEMA DE CORREÇÃO DE RUMO DE AERONAVE

Em AnáliseInvention Patent

Application data

Number

PI8606275

Type

Invention Patent

Filing

12/18/1986

Publication

10/06/1987

Progress at the INPI

  1. Filing12/18/86
  2. Publication10/06/87
  3. Examination03/21/89
  4. Allowance09/18/90
  5. Grant06/25/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

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Inventors

G. A. (pessoa física)

US

J. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

811.066 · 12/19/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/21/1989

RPI 961

Publicação do pedido de patente

#3.1

10/06/1987

RPI 885

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Carta-patente expirada

#21.1

Patente extinta em 18/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

01/02/1991

RPI 1048

Deferimento

#9.1

09/18/1990

RPI 1033

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