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Official data from INPI

ACIONAMENTO ELÉTRICO.

ConcedidaInvention Patent

Application data

Number

PI8200910

Type

Invention Patent

Filing

02/19/1982

Publication

-

Progress at the INPI

  1. Filing02/19/82
  2. Publication
  3. Examination03/05/85
  4. Allowance07/08/86
  5. Grant02/03/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

M. M. (pessoa física)

T. P. (pessoa física)

Technical data

Priority claims

US

237.017 · 02/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

10/01/1985

RPI 780

Solicitação de exame técnico

#4.1

03/05/1985

RPI 750

Pedido de patente depositado

#2.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

Patente extinta em 19/02/97

07/01/2008

RPI 1956

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