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Official data from INPI

HELICOPTERO COM ESTABILIZADOR DESSINTONIZADO

Em AnáliseInvention Patent

Application data

Number

PI7903899

Type

Invention Patent

Filing

07/12/1978

Publication

-

Progress at the INPI

  1. Filing07/12/78
  2. Publication
  3. Examination08/31/82
  4. Allowance01/24/84
  5. Grant09/25/84
  6. Terminated10/03/89

The patent was granted on 09/25/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP

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Inventors

K. W. (pessoa física)

M. J. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

08/31/1982

RPI 619

Solicitação de exame não realizada

#4.2

02/16/1982

RPI 591

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