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Official data from INPI

SISTEMA DE CONTROLE DE HELICOPTERO PARA POSICIONAMENTO DE UM LEME DE PROFUNDIDADE E PROCESSO DE OTIMIZACAO DE VOO DE HELICOPTERO POR MEIO DA ATITUDE DO ESTABILIZADOR

ConcedidaInvention Patent

Application data

Number

PI8003067

Type

Invention Patent

Filing

05/17/1979

Publication

-

Progress at the INPI

  1. Filing05/17/79
  2. Publication
  3. Examination12/21/82
  4. Allowance11/29/83
  5. Grant06/26/84
  6. Terminated07/26/94

The patent was granted on 06/26/1984 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: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXTRON INC

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Inventors

B. K. (pessoa física)

F. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/29/1983

RPI 684

Solicitação de exame técnico

#4.1

12/21/1982

RPI 635

Anuidade - prazo legal encerrado

#18.2

07/26/1994

RPI 1234

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