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Official data from INPI

APARELHO PARA CONTROLAR CURSO DE VÔO VERTICAL DE AVIÃO

PublicadaInvention Patent

Application data

Number

PI8706759

Type

Invention Patent

Filing

12/11/1987

Publication

07/11/1989

Progress at the INPI

  1. Filing12/11/87
  2. Publication07/11/89
  3. Examination08/14/90
  4. Allowance09/03/91
  5. Grant06/30/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Honeywell Inc

US

See this company's full portfolio

Inventors

J. B. (pessoa física)

US

T. Z. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/11/1989

RPI 977

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Carta-patente expirada

#21.1

Patente extinta em 11/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

01/07/1992

RPI 1101

Republicação - classificação IPC

#15.11

11/26/1991

RPI 1095

Deferimento

#9.1

09/03/1991

RPI 1083

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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