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Official data from INPI

APARELHO DE REDUCAO DE VIBRACAO EM SISTEMA DE ROTOR DE HILICOPTERO

ConcedidaInvention Patent

Application data

Number

PI7905806

Type

Invention Patent

Filing

09/11/1978

Publication

-

Progress at the INPI

  1. Filing09/11/78
  2. Publication
  3. Examination06/29/82
  4. Allowance07/19/83
  5. Grant02/28/84
  6. Terminated04/12/94

The patent was granted on 02/28/1984 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: 02/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXTRON INC

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Inventors

B. W. (pessoa física)

N. W. (pessoa física)

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Anuidade - prazo legal encerrado

#18.2

04/12/1994

RPI 1219

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