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Official data from INPI

APARELHO PARA CONTROLE ELÉTRICO.

ConcedidaInvention Patent

Application data

Number

PI8005752

Type

Invention Patent

Filing

09/09/1980

Publication

-

Progress at the INPI

  1. Filing09/09/80
  2. Publication
  3. Examination07/12/83
  4. Allowance05/15/84
  5. Grant11/27/84
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 11/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

074.362 · 09/10/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/15/1984

RPI 708

Exigência - art. 36 da LPI

#6.1

12/06/1983

RPI 685

Solicitação de exame técnico

#4.1

07/12/1983

RPI 664

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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