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Official data from INPI

SISTEMA DE CONTROLE DE MULTIPLA MODALIDADE PARA TURBINAS EOLICAS

Concessão AnuladaInvention Patent

Application data

Number

PI7904968

Type

Invention Patent

Filing

08/17/1978

Publication

-

Progress at the INPI

  1. Filing08/17/78
  2. Publication
  3. Examination03/23/82
  4. Allowance03/29/83
  5. Grant11/29/83
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 02/14/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP

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Inventors

H. K. (pessoa física)

K. J. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

02/14/1984

RPI 695

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/29/1983

RPI 649

Exigência - art. 36 da LPI

#6.1

09/28/1982

RPI 623

Solicitação de exame técnico

#4.1

03/23/1982

RPI 596

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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